Emergency crews are responding to an explosion and partial building collapse Wednesday in the Bronx. Videos show extensive damage along the entire side of a high-rise building on Alexander Avenue in the Mott Haven section of the borough.

The FDNY says initial reports indicate the 20-story building's incinerator shaft may have collapsed.

At this point, no injuries have been reported.

Watch Chopper 2 live over the Bronx collapse

A portion of the Mitchel Houses in the Bronx is damaged after what the FDNY called a possible gas explosion on Oct. 1, 2025. Citizen.com

The explosion was reported around 8:10 a.m. Wednesday at the Mitchel Houses, located at 205 Alexander Ave. near East 135th Street. The high-rise is No. 4 in the 11-building complex.

The blast sent bricks, air conditioning u

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