NEW YORK — Six people were killed when a massive fire tore through a Brooklyn home early Thursday, officials said.

Two lithium-ion batteries were found in the burned out home but it is not yet clear if they sparked the blaze that broke out on the top floor of the two-story house in Sunset Park at 1:39 a.m., officials said.

Four adults were found dead in the home after the fire was put out on 58th St. near Seventh Ave. They were badly burned and investigators are still working to identify them.

A man and a woman in their 50s died at NYU Langone Hospital-Brooklyn after being pulled from the burning wood building in cardiac arrest by firefighters.

“This was an intense fast-growing three-alarm fire,” Mayor Zorhan Mamdani said at the scene of the blaze, the deadliest in the city this year.

“It will take a long time for this neighborhood to mourn the neighbors they lost this morning and to recover from this immense grief.”

Four residents were hurt but survived, with one in serious condition while the others suffered minor injuries. Three firefighters and two police officers suffered minor injuries, officials said.

FDNY investigators pulled what appeared to be a bicycle and a stand-up scooter, both mangled and badly burned, from the home hours after the fire was put out. The cause of the inferno remains under investigation by FDNY fire marshals.

On Oct. 28, a Bronx blaze killed four family members after a lithium-ion battery exploded in an 11th-floor apartment in Mott Haven’s Patterson Houses.

Eleven-year-old Zion Maine died at Jacobi Medical Center the day of the blaze. His brothers, CJ Maine, 15, and Jamaree Adam, 16, and his father’s 33-year-old girlfriend, Syida Adam, all died in the hospital over the next two days.

Fire officials said an e-bike, newly acquired by the father, was being charged next to the apartment’s entry door — the family’s only means of escape. The father, Courtney Maine, 37, remains in a medically induced coma in the burn ICU at Harlem Hospital.

Firefighters arrived on scene of the Brooklyn fire in three minutes and 18 seconds but found the basement and both upper floors already consumed by flames. Two residents were trapped by window bars in the rear of the first floor, but firefighters got inside through a back door and rescued them.

“There was heavy fire that they encountered on arrival. People were trapped,” said FDNY First Deputy Commissioner Daniel Flynn. “They were able to rescue four people from that building and transport them to local hospitals. Two of those people are still alive and if not for the heroic efforts of our firefighters and EMS personnel they would be deceased as well … They truly are heroes and did save lives here.”

The stairs between the first and second floor partially collapsed.

It took 231 FDNY members just under three hours to bring the fire under control.

Complaints lodged with the Department of Buildings on Aug. 30, 2025, claimed the basement of the building was being converted into an apartment without permits while illegal conversions were ongoing on the two floors above. Three days later a complaint was filed saying construction had been going on for a month with no permits.

The complaints appear to have been closed after city inspectors tried twice to gain access to the building and failed.

Eight neighbors were displaced by the blaze, which spread to the exterior of one neighboring building in a row of 25.

“Upon arrival, we had fire on every floor: cellar, first and second floor. Fire blowing out every window, meeting us at the front door,” said FDNY Chief of Operations Kevin Woods. “Our units moved in very aggressively, getting a hose line on each one of those floors for a very, very quick knockdown. They did a phenomenal job preventing further extension to the adjoining structures.”

The building that burned is made entirely of wood, unlike the brick homes across the street.

“You could smell the fire from blocks away,” said Luis Ramos, 54, who lives across the street from the burning building. “There wasn’t a spot in that building that didn’t have flames coming out. There was fire shooting out of everywhere … I could feel the heat. It was intense.”

“It was too hot. Who could help them? Nobody,” he said of the victims who died. The fire department came in two minutes. But when they came the whole house was fully engulfed.”

In the wake of the fire, FDNY officials are inspecting the building to see if it’s still stable.

“I saw him get out,” Ramos said of one of the residents “He was charred, like black … They were doing chest compressions when they got him. They just put him on a gurney, put a mask on him so he could breathe, and they rushed him out of here. They tried. The fire department did their best. You gotta give it to them. They really do fight for us.”

“I’ve lived over here my whole life,” he added. “Everybody gets along around here so to see something like that it’s sad. It’s really sad. I feel for the families .. The holidays are here, Thanksgiving is around the corner, and instead of happiness they got to bury their family members.”

Officials at the scene urged New Yorkers to take fire safety seriously and to have a plan.

“What are you going to do when a fire breaks out in your home,” Flynn said. “How will you escape? How will you notify everybody else in the house?”

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