Lindsay Lohan Arrested: Allegedly Fled Accident Scene

Lindsay Lohan was arrested for leaving the scene of an accident early this morning after allegedly clipping a pedestrian in downtown Manhattan ... TMZ has learned.

Law enforcement sources tell TMZ, Lindsay was pulling in to park her Porsche Cayenne near the Dream Hotel in downtown NYC when -- at a very low speed -- she allegedly hit the knee of a 30-something year old guy. That was around shortly after midnight.