A fire started just before 11 a.m. at the Equinox on Amsterdam Avenue near 76th Street.
An arsonist started three small fires in Crown Heights and Brownsville churches, police said.
The fire displaced 26 people and scorched Tacos El Bronco restaurant, officials said.
Four attached homes on Pitney Avenue were scorched in the blaze, the FDNY said.
More than 100 firefighters battled the Scholes Street blaze Thursday afternoon, the FDNY said.
Almost 80 firefighters responded to the East River Housing Corporation fire, officials said.
Qasim Mitchell, 24, was found bludgeoned to death inside his burnt-out Bed-Stuy apartment.
The mayor and police commissioner planned to visit the officers' families again Tuesday.
Flames raced through the duct work of a Burger King at 16 Beaver St., the FDNY said.
Idalia Quinones and her family have been displaced from their home after a fire in Red Hook on March 30.
Qasim Mitchell, 24, was found dead in his Gates Avenue apartment that had been set on fire, police said.
Flames erupted inside a vacant shop under construction on 34th Street near Penn Station, the FDNY said.
Two people were hurt when a fire broke out in a Midtown McDonald's, the FDNY said.
About 10 firefighters suffered minor injuries in a four-alarm fire on W. 76th Street near Central Park.
The fire caused so much damage the building will have to be demolished, the FDNY said.
Get Our Daily Afternoon News Update Newsletter
Thank you for signing up!
Would you like to sign up for additional newsletters?
Thank you for signing up for additional newsletters.