Fire officials say the blaze was reported at about 10:30 p.m. Tuesday in the mezzanine level. The fire was declared under control at 11:46 p.m. Six firefighters suffered minor injuries. No other injuries were reported.
The concert hall's website showed no events listed for Tuesday night.
The venue on West 52nd Street has hosted a variety of events, from Hillary Clinton's birthday party to concerts and movie premiers.
The extent of the damage was not immediately clear.
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