Sheltering in place during neighborhood unrest and commercial fires¶

When sudden civil unrest, commercial looting, or arson fires break out on your street, residents living in ground-floor apartments, mixed-use apartments directly above retail storefronts, or urban houses face a critical life-safety balancing act. On one hand, staying indoors behind locked doors protects you from street violence, stray projectiles, tear gas clouds, and vehicular chaos outside. On the other hand, if a downstairs commercial business or an adjacent building is set on fire during unrest while municipal fire engines are delayed or blocked from entering the zone, staying trapped inside a burning or smoke-filled structure becomes fatal within minutes.

Safely sheltering in place during neighborhood unrest requires three simultaneous defenses: making your residence or small business look dark, unoccupied, and uninviting from the street (never standing on a porch or storefront confronting crowds), sealing out street-level tear gas and toxic smoke by shutting down fresh-air HVAC intakes, and maintaining an active fire-watch trigger with shoes on and go-bags packed at your secondary rear or courtyard exit so you can evacuate the instant structure fire or smoke compromises your building.

Do this now¶

1. Abandon any ground-floor retail store immediately (life over inventory): If you own or work in a street-level shop, restaurant, or pharmacy and a hostile crowd begins breaking nearby storefront windows, do not try to physically guard your merchandise or argue with intruders. Take your cash register drawer/phone if safe, lock the front door, turn off the lights, and exit immediately out the secured rear alley or service door before the crowd reaches your block.
2. Go inside, lock all doors and windows, and turn off all street-facing lights: At home, lock deadbolts, close curtains and blinds on every street-facing window, and turn off all front room and porch lights so your apartment or house blends quietly into the background. Never stand at a street-facing window filming with a bright phone screen or flash, which draws immediate attention and projectiles toward your glass.
3. Shut off your HVAC fresh-air intake, window AC units, and bathroom exhaust fans: If tear gas (CS smoke) is deployed in the street or cars/dumpsters are burning outside, immediately switch window air conditioners from "Fresh Air / Vent" to "Recirculate" (or turn them off and tape plastic over them), turn off central HVAC systems that draw outside makeup air, and turn OFF bathroom and kitchen exhaust fans (exhaust fans pump indoor air out and suck smoky, tear-gas-laden street air straight in through door cracks).
4. Move your family and pets to an interior room away from street-level glass: Relocate beds and seating into an interior hallway or back bedroom separated from the street by at least two interior walls. A stray kinetic projectile, thrown brick, or bullet can easily punch through single-pane glass and standard exterior siding.
5. Put on sturdy shoes, stage fire extinguishers, and pack your Go-Bag at the back door: Every person in the home should wear hard-soled shoes, long pants, and a long-sleeved cotton shirt (keep pet leashes clipped on and cats inside carriers). Stage two large Class ABC dry chemical fire extinguishers and a connected garden hose (or filled water buckets) near ground-floor windows, and place your evacuation go-bag by the rear exit.
6. Evacuate immediately via a rear or side route if fire starts in the commercial unit below or next to you: If you live in a mixed-use building above a retail store and smell smoke, hear glass breaking followed by fire alarms downstairs, or see flames in an adjacent building with delayed fire department response, do not wait for fire trucks that may be blocked by crowds. Evacuate immediately through the rear stairwell, courtyard, or fire escape away from the main street.

flowchart TD
    A["Unrest, Looting, or Fires Reported on Your Block"] --> B{"Are you inside a commercial store or a residence?"}
    B -->|"Inside a Ground-Floor Commercial Store"| C["Do NOT guard inventory: lock front door, turn off lights, and exit via rear door immediately"]
    B -->|"Inside a Home or Upstairs Apartment"| D{"Is there an active fire inside your building or the adjacent structure right now?"}
    D -->|"Yes, smoke or fire in building or next door"| E["EVACUATE IMMEDIATELY via rear door, alley, or fire escape away from the main street crowd"]
    D -->|"No fire in building, hazard is outside in street"| F["SHELTER IN PLACE: Lock doors, turn off front lights, close blinds, and move to back interior rooms"]
    F --> G["Shut off HVAC outside vents and exhaust fans; seal door/window gaps with damp towels against tear gas"]
    G --> H["Wear sturdy shoes, keep pets crated/leashed, stage ABC fire extinguishers, and post a fire lookout"]
    H --> I{"Does smoke enter from downstairs or does an exterior trash/wall fire threaten the structure?"}
    I -->|"Yes"| E
    I -->|"No"| J["Remain quiet inside interior safe room until streets clear and official notices confirm safety"]

The core decision: when to Shelter in Place vs. when to Evacuate¶

During neighborhood unrest, the safest place to be is almost always indoors, invisible, and away from windows, with one major exception: structural fire spreads faster than police and fire crews can clear a contested street. Use this decision matrix to evaluate your exact building type every 15 minutes:

Step 1: Hardening your home or apartment against street hazards (in 15 minutes)¶

When you hear sirens, helicopters, or crowds approaching your neighborhood, execute a rapid 15-minute perimeter sweep before retreating to your interior rooms:

1. Clear exterior fuel loads (trash bins, cars, and porch furniture)¶

During civil unrest, the vast majority of residential structure fires start not because someone intentionally tried to burn down a family's home, but because someone set fire to a plastic curbside wheeled garbage bin, a cardboard recycling pile, a dumpster, or a parked car right next to a wooden porch or vinyl-sided wall. - A burning 240-liter (65-gallon) polyethylene plastic trash bin sitting against vinyl or wood siding generates a 2-megawatt flame plume that ignites the eaves and attic of a house in less than 4 minutes. - If the street outside is still clear and safe: Pull all plastic garbage cans, recycling bins, doormats, propane BBQ tanks, and upholstered patio cushions away from the front of the building and lock them inside the backyard or away from walls. - Move street-parked cars: If your car is parked at the curb on a major commercial avenue where unrest is moving, move the car 3 to 4 blocks away onto a quiet residential side street or into a secured garage before crowds arrive (never go outside into an active crowd to save a parked car).

2. Practice "Grey Man" visual discipline (Low Profile)¶

Crowds in high-adrenaline environments react to movement, confrontation, and cameras: - Never stand on your front porch, balcony, or roof shouting at crowds: Yelling at people passing in the street, shining laser pointers, or displaying weapons on a porch turns an ignored residential building into an immediate target for dozens of people. - Turn off all interior lights in street-facing rooms: A dark window with drawn blinds looks like an empty apartment and hides your silhouette. (Keep exterior high-mounted security floodlights over driveways/alleys on if they Normally run every night, as well-lit alleys deter people from ducking into side yards.) - Never film out a front window with your phone flash or room light on: Standing right behind glass holding up a glowing smartphone tells everyone on the street that they are being recorded for police evidence, which is the #1 reason bricks, bottles, or fireworks are thrown through upper apartment windows.

3. Catching shattered window glass with interior blanket curtains¶

If your ground-floor or second-floor apartment faces a street where rocks, bottles, or kinetic projectiles are flying, closing thin vinyl mini-blinds will not stop shattered glass shards from spraying 4 meters (13 feet) across your living room. - The heavy blanket / duct tape barrier: Leave your regular blinds closed so the window looks normal from outside, and then use duct tape, thumbtacks, or curtain rods to hang a heavy wool blanket, moving blanket, quilt, or canvas tarp loosely across the inside of the window frame, 5 centimeters (2 inches) behind the glass. If a rock or projectile shatters the glass pane, the loose heavy fabric absorbs the momentum and drops the broken glass harmlessly onto the windowsill below.

Step 2: Sealing out Tear Gas (CS) and toxic vehicle/plastic smoke¶

Tear gas (CS: 2-chlorobenzalmalononitrile) and toxic smoke from burning cars, tires, and commercial plastics (which contain hydrogen cyanide, phosgene, and carbon monoxide) rapidly seep inside apartments through HVAC vents, dryer ducts, and window seams.

What to do if Tear Gas seeps into your apartment with children, pets, or elders¶

Because CS tear gas particles are heavier than air, they settle toward the floor first: 1. Lift infants, toddlers, and small pets up off the floor: Place babies and pets onto beds, tables, or in your arms ( note: this is the exact opposite of a structure fire, where hot smoke rises to the ceiling and clean air is near the floor; for cold outdoor tear gas drifting in a window, the highest concentration settles near the floor and lower windowsill). 2. Move to the highest, most interior room on the leeward (downwind) side of the building. 3. Breathe through a damp cloth or N95/P100 respirator: A particulate N95, KN95, FFP2, or P100 mask blocks solid CS tear gas aerosol crystals effectively (whereas a wet washcloth folded into 4 layers over the nose and mouth helps trap larger water-soluble droplets in an emergency). 4. Keep rescue inhalers in your pocket: If anyone in the family has asthma, COPD, or heart disease, keep their albuterol/salbutamol inhaler and spacer in your hand; tear gas can trigger severe acute bronchospasm requiring immediate emergency medical care.

Step 3: Defending against commercial arson and exterior trash fires¶

When civil unrest includes arson of commercial buildings, dumpsters, or vehicles on your block, municipal fire departments operate under Tactical Deployment / Task Force protocols: fire engines cannot legally or safely enter an active riot zone until police escort teams secure a perimeter around the fire hydrants and hoses. That means if a small fire starts on your porch or against your siding during unrest, a fire engine may not arrive for 30 to 60 minutes. You must be prepared to knock down a small exterior incipient fire in the first 30 seconds or evacuate immediately.

1. Staging incipient fire defense inside your home¶

• Keep two large (2.5 to 4.5 kg / 5 to 10 lb) Class ABC Dry Chemical Fire Extinguishers ready: Stage one extinguisher near your front hallway (staying back from the glass) and one by your rear exit door. Class ABC monoammonium phosphate dry chemical knocks down wood/trash fires (Class A), flammable liquid/accelerant fires (Class B), and electrical fires (Class C).
• Pre-fill your bathtubs and three 19-liter (5-gallon) buckets with water: If multiple fire hydrants on your block are opened or broken during unrest, or if firefighters are pumping thousands of liters per minute down the street, residential tap water pressure can drop to a trickle. Filling your bathtub early gives you 150 liters (40 gallons) of emergency water to douse a windowsill fire or wet down towels.
• How to extinguish a broken-window incipient fire safely: If an incendiary object or firework breaks through a street-facing window and ignites curtains or carpet inside your front room:
  1. Stay low behind the interior doorway frame so you are not silhouetted in the broken window.
  2. Pull the pin on your ABC dry chemical extinguisher and sweep the nozzle across the base of the flames (not the top of the smoke plume) from 2 to 3 meters (6 to 10 feet) back inside the hallway.
  3. If the room is already engulfed in flames from floor to ceiling, do NOT fight it: pull the interior door to that room tightly closed behind you (closing the door starves the fire of oxygen and drops temperatures in the hallway from 500 C / 932 F down to survivable levels for several minutes) and evacuate everyone out the back door immediately.

2. How to evacuate safely when the front street is full of unrest¶

If your building catches fire and you must evacuate while crowds or police deployments are active on the main street in front of your building:

• Use the Rear Alley, Courtyard, or Adjacent Building Route: Before an emergency ever happens, walk every exit of your apartment building. Identify where the rear fire stairwells and basement service corridors lead (they almost always open onto a quieter rear alley, parking lot, or adjacent side street parallel to the main commercial avenue).
• Dress to blend in neutrally (avoid tactical/camouflage gear): Wear plain, everyday civilian clothing (hoodie or jacket, jeans, sturdy sneakers), carry a regular backpack or tote bag (avoid military-style MOLLE camouflage tactical packs or holding household tools that could be mistaken for weapons in the dark by police or crowds), and keep your hands visible holding your children, pet carrier, or flashlight.
• Move perpendicular (away from the main avenue) for 3 full blocks: The instant you exit the building into the alley or side street, walk briskly 90 degrees away from the main commercial thoroughfare into quiet residential blocks before calling 911 / 112 / 999 to report the structure fire.

Step 4: Guidance for small business owners and retail workers¶

If you own, manage, or work in a small neighborhood business (restaurant, grocery store, clinic, boutique, or repair shop) when civil unrest develops nearby:

Emergency neighborhood unrest readiness checklist¶

• Bring plastic curbside trash cans, recycling bins, propane tanks, and flammable porch furniture inside a locked yard or garage away from building walls.
• Move street-parked vehicles off main commercial avenues into a garage or onto a quiet side street several blocks away before crowds arrive.
• Lock all exterior doors and windows, draw street-facing blinds, turn off front-room lights, and hang heavy blankets behind street-facing glass to catch shards.
• Turn OFF bathroom/kitchen exhaust fans and fresh-air HVAC intakes, and place damp rolled towels along door bottoms to block street tear gas and smoke.
• Put on sturdy closed-toe shoes, keep pets leashed or in carriers, and place your packed Go-Bag and two Class ABC fire extinguishers by your rear exit door.
• If living directly above a commercial retail storefront where arson is occurring on the block, evacuate early via the rear exit before stairwells fill with smoke.

Frequently asked questions¶

Sources checked¶

• Federal Emergency Management Agency (FEMA) and Ready.gov (United States): Shelter-in-Place Guidelines for airborne chemical hazards (sealing HVAC intakes and interior safe room selection) and urban residential fire evacuation.
• United States Fire Administration (USFA) and National Fire Protection Association (NFPA) (United States): Civil Unrest and Fire Service Operations, mixed-use commercial/residential fire spread dynamics, and NFPA 10 portable Class ABC fire extinguisher standards.
• Centers for Disease Control and Prevention (CDC) (United States): Indoor sheltering and air filtration protection against riot control agents (CS/OC aerosols) and structural smoke inhalation.
• National Police Chiefs' Council (NPCC) and London Fire Brigade (United Kingdom): Guidance for residents and small shopkeepers on securing premises, removing street-level arson fuels (wheeled bins), and evacuating flat-above-shop dwellings during public disorder.
• Public Safety Canada (Canada): Household shelter-in-place and emergency evacuation readiness protocols.

Related guides¶

• Civil unrest
• Break-in at home
• House fire
• Go bag evacuation pack