Name of Buffalo Firefighter Killed in Downtown Fire Released

Buffalo firefighters battling a massive, 4-alarm blaze at 745 Main Street line up and salute their fallen colleague as his body is recovered, in Buffalo, N.Y., on March 1, 2023. Derek Gee/The Buffalo News via AP

BUFFALO, N.Y.—A firefighter killed in an explosive blaze in Buffalo was identified Thursday as a 37-year-old father who had been with the department for three years, as authorities promised a thorough investigation of the fire’s cause.

Firefighter Jason Arno was found dead Wednesday inside a badly burned brick building in the city’s downtown, several hours after he radioed a mayday call and then went quiet as the fire raged.