Part of a high-rise apartment building in New York City has collapsed, leaving a corner of the building a pile of rubble.

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 an incinerator shaft in the 20-storey building in the Bronx.

Authorities said no residential units were affected.

The building is city-owned public housing.

Mayor Eric Adams said he was briefed about the emergency and officials were still getting a full assessment.

"Please avoid the area for your safety," he wrote on X.

Video from the scene shows a high-rise with one corner collapsed from the ground floor to the roof.

Videos by nearby residents showed a cloud of dust billowing over the block moments after the collapse,

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