Lindsay Lohan In Bar Fight

Just when we thought we were over the Lindsay Lohan series of dramas, the embattled actress was at 4 AM Thursday in New York City for allegedly getting into a fight at a New York City nightclub.

Sources say Lohan was at Club Avenue when she got into some sort of argument with a female patron and it became physical.  We're told cops came and arrested Lindsay for allegedly assaulting her.

As at the time of this report, Lindsay is still at the police station.

She is about to be charged with lying to cops in June after her car accident on Pacific Coast Highway.  She told them she was a passenger in the Porsche when actually she was driving.

And, if Lindsay is formally charged with the latest crime, it could trigger yet another probation violation.