An African American college student accuses three Denver police officers of beating him bloody and using racial slurs during a January 2009 traffic stop, according to a federal lawsuit filed Tuesday.

 The lawsuit accuses the officers of stopping 19-year-old Alexander Landau after midnight on Jan. 15, 2009, for making an illegal turn, then calling him the N-word and beating his face and head with their fists, a radio and a flashlight until he was unconscious, according to the lawsuit first reported Wednesday on Westword.com.

 The lawsuit contains photographs of Landau just after the incident with a blood-covered face and a swollen eye, wearing a neck brace.

Landau, a student at Community College of Denver, was treated at the hospital for a broken nose, brain bleeding, a concussion, a hemorrhage in his right eye and head lacerations that required several dozen stitches, the lawsuit said.