UPDATE: He's being taken away by ambulance right now.
UPDATE 2: David's rep tells Hollyscoop, "He's ok and on his way to be treated."
Oh no! David Arquette was just involved in a really bad car accident.
David was driving in West Hollywood when his car veered into oncoming traffic, reports TMZ.
Fire trucks are racing to the scene right now and TMZ reports David is "laying on the ground" and that there's blood.
Witnesses say David was behind a car that stopped suddenly. David then swerved to the left to avoid hitting the car and went into oncoming traffic. David slammed into a car going in the opposite direction.