01/13/2013 01:56 pm ET

Heather Graham's NYC Pad Catches Fire

FIRE SAFETY 101 ... never leave burning candles unattended -- a lesson Heather Graham learned the hard way ... WHEN HER BATHROOM WENT UP IN FLAMES!!!

Heather's swanky NYC pad caught fire Saturday night ... after she left a few mood-setting candles burning in her bathroom before heading out for the night. The flames later ignited some clothes hanging nearby ... according to the NY Post.

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