An explosion rocked a New York City Housing Authority building Wednesday morning in the Bronx, causing an entire corner of the high-rise to collapse .

Videos show a gaping hole in the side of the 20-story building and extensive damage all along Alexander Avenue in the Mott Haven section of the borough. Amazingly, no injuries were reported.

Chopper 2 flew over the partial collapse of a Bronx high-rise at the Mitchel Houses in Mott Haven on Oct. 1, 2025. CBS News New York

Mayor Eric Adams visited the scene and joined officials for an update on what may have caused the blast. Initial reports point to an explosion in the boiler room, which sent shockwaves up the chimney, causing the collapse.

"October 1st is when the city turns on the heat, so there was an individual downsta

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