NEW YORK (AP) -- Police say an aircraft has crashed into a building on Manhattan's Upper East Side at 72nd Street and York Avenue. It is near Rockefeller Center.

There was no word on casualties.

Video from the scene shows at least three apartments in the high rise fully engulfed in flames.

It's unclear if it was a small plane or a helicopter.

NEW YORK - A small aircraft crashed into a high-rise on the Upper East Side, setting off a fire and startling New Yorkers, police said. There were conflicting reports on whether the aircraft was a small plane or a helicopter.

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Fire Department spokeswoman Emily Rahimi said an aircraft struck struck the 20th floor of a building on East 72nd Street. Witnesses said the crash caused a loud noise, and burning and falling debris was seen. Flames were seen shooting out of the windows. Video from the scene showed at least three apartments in the high rise fully engulfed in flames.

There was no immediate word on any deaths or injuries.

It was not immediately known if it was a terrorist act.

NEW YORK (AP) -- Police say an aircraft has crashed into a building on Manhattan's Upper East Side at 72nd Street and York Avenue. It is near Rockefeller Center.

There was no word on casualties.

Video from the scene shows at least three apartments in the high rise fully engulfed in flames.

It's unclear if it was a small plane or a helicopter.