Officers had seen Wilvinson Diaz shoot a 21-year-old man, officials said.
A fire broke out inside the Wagner Houses, an FDNY spokeswoman said.
Nearly 140 firefighters battled a blaze in an East Harlem high rise Tuesday, officials said.
The comedian was on life support at Mount Sinai Hospital before her death.
A 66-year-old woman was critically hurt when a Chrysler van hit her at Madison Avenue and 98th Street.
Nojeem Odunfa was arrested for fatally striking Jerrison Garcia at 108th St. and Park Ave., police said.
The fire erupted at 1:02 a.m. on the second floor of 25-88 41st Street, an FDNY spokesman said.
The man's condition is improving, according to Mount Sinai Hospital.
The East Harlem hospital says the patient has been placed in strict isolation as a precaution.
Mount Sinai Hospital plans to open an urgent care facility in Inwood Center.
Five of the man's family members were hurt along with a 73-year-old pedestrian, police said.
Carmen Quinones, who fractured her skull in the Harlem explosion, met the responders who saved her.
James Romansoff died after a Poughkeepsie-bound train hit him in East Harlem, officials said.
Police tracked Brandon Senquiz through social media.
Police are looking for Brandon Senquiz, 18, for the attack on a school custodian at P.S. 102.
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