What happened here
A fast-moving, three-alarm fire at a two-story attached home in Sunset Park, Brooklyn killed six adults and injured four civilian residents, three firefighters and two police officers. FDNY received the call at about 1:39 am, arrived in under four minutes and later brought the fire under control at about 4:30 am. Fire marshals are investigating. A lithium-ion battery was found at the scene, but officials did not identify it as the cause.
Quick answers
What caused the Sunset Park fire?
FDNY fire marshals are investigating. No official cause finding was available in the sources reviewed.
Did a lithium-ion battery cause the fire?
No official has said that. A battery was found at the scene, but it has not been identified as the cause.
How many people were injured?
The NYC/FDNY briefing reported four civilian injuries, three firefighter injuries and two police injuries: nine people total.
Why is the map approximate?
This was a fatal residential event. The map shows street-block context, not a household or victim locator.
What should I do if my escape route is blocked?
Use another planned route if safe, close doors between you and smoke if possible, call emergency services and follow their instructions.
What happened
New York City officials said FDNY received a neighbour’s report of a fire at about 1:39 am on 5 November 2026 at a two-story attached home in Sunset Park, Brooklyn. Firefighters arrived in under four minutes and encountered heavy fire in the basement and on the first and second floors. The event escalated to a three-alarm response.
Six adults died: four were dead when FDNY arrived and two later died in hospital, according to the City’s briefing. Four civilian residents were injured, as were three firefighters and two police officers, making nine injured people in the official count. The City said the fire was under control at about 4:30 am.
Cause is not established
FDNY fire marshals are investigating the cause. Officials said a lithium-ion battery was found at the scene, but did not say it caused the fire. The article does not link the battery to the fire, and it makes no claim about building-code compliance, window bars, occupancy, alarms, exits or any person’s responsibility before investigators publish findings.
Response and escape lessons
Officials said firefighters rescued people through a rear entrance, including occupants trapped behind window bars, and that a staircase partially collapsed. Those facts show why a home needs a usable escape route from every sleeping area, doors and windows that can be opened from inside, and a meeting place away from the building. They do not establish why people were trapped in this incident.
What to do in a home fire
- Raise the alarm, call the local emergency number, and leave immediately if there is smoke or fire.
- Use a planned exit; if a door feels hot or smoke is entering, use another safe route and close doors behind you if possible.
- Never re-enter for belongings, phones or pets.
- Go to the household meeting point and tell responders if anyone may still be inside.
- Keep security bars, doors and escape windows operable from inside without a key.
- FDNY receives a neighbour’s call reporting a fire at a two-story Sunset Park home.
- Firefighters arrive to heavy fire in the basement and first and second floors; the response becomes a three-alarm fire.
- Firefighters use the rear entrance to rescue occupants; a staircase partially collapses, according to officials.
- City officials say the fire is brought under control.
- FDNY fire marshals continue the cause investigation; no official ignition finding is public in the reviewed sources.
Why consequences escalated
- The City and FDNY confirmed a three-alarm residential fire with six adult deaths and nine injuries.
- The official count separates four civilian injuries from five responder injuries.
- Firefighters rescued people through a rear entrance; officials said some were trapped behind window bars.
- A partial staircase collapse was reported during the response.
- FDNY fire marshals have not announced a cause.
- A battery found at the scene is not proof of an ignition source.
Failures and risk multipliers
- Do not describe the lithium-ion battery as the cause; officials have not made that finding.
- Do not assign responsibility for window bars, alarms, occupancy, building condition or fire spread before the investigation is complete.
- Do not re-enter a smoke-filled home or force an unsafe exit route.
- Do not use this event’s casualty figures as a general residential-fire rate or trend.
People closest to the evidence
“New York City / FDNY briefing”
Six adults died; four civilians, three firefighters and two police officers were injured.
“FDNY Chief of Operations, as reported by AP”
Firefighters encountered fire on every floor and used a rear entrance to rescue people trapped behind window bars.
“Editorial note”
The cause remains under investigation; the battery found at the scene is not treated as causal.
Actions that reduce risk
- Make and practise two escape routes from each sleeping area where possible.
- Ensure doors, security bars and escape windows can be opened from inside without a key.
- Keep stairs, hallways and exit paths clear.
- If there is smoke or fire, alert others, call emergency services and leave; do not return for belongings.
- Meet outdoors at a fixed point and tell responders immediately if somebody may still be inside.
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