The second floor terrace of 31 Hunt Lane collapsed.
The roof of 1438 Fulton St. appears to have caved in shortly before 2:30 p.m.
The collapse was reportedly inside 642 W. 57th St., an FDNY spokesman said.
Delfino Jesus Velazquez Mendizabal died after the building he was working on collapsed.
Delfino Jesus Velazquez Mendizabal died when the Dana Ford Lincoln dealership collapsed last week.
The man died after a partial building collapse in the Dana Ford Lincoln dealership.
Bricks spilled into the street from a Morris Heights auto shop's facade, neighbors said.
Officials said they did not know when residents would be able to return to 85 Christopher Street.
The explosion and building collapse is one of several in Harlem in the last few years.
Three women were killed and at least 46 were hurt when the blast leveled two Park Avenue buildings.
One of the two buildings that collapsed in Wednesday's explosion had a gas pipe installed last June.
The city encouraged people to call 311 for information on their missing relatives.
A three-story home under construction on Prospect Place crumbled, hurting eight men, fire officials said.
The department of buildings said the structure was used as an office for B&L Auto Repair.
The building at 78-19 Jamaica Ave. collapsed Friday evening, the FDNY said.
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