NEW YORK (AP) — An incinerator shaft on the corner of a 20-story New York City apartment building collapsed with a loud crash into a pile of rubble Wednesday morning after reports of a gas explosion.

The city’s fire department said it had no immediate reports of injuries. It said it was responding to a report of a gas explosion that collapsed the incinerator shaft of the city-owned public housing building in the Bronx.

“An investigation is underway to determine the cause of this event and the extent of any damage beyond the reported exterior damage to the chimney,” the city's housing authority said in a statement.

Videos taken by nearby residents showed a cloud of dust billowing over the block moments after the collapse, which happened around 8:10 a.m. News helicopter footage showed a r

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