According to TMZ Justin Bieber punched a man in the face who was assaulting a woman. During a Coachella party Bieber saw a man allegedly grab the throat of a woman. Bieber then yelled at the man to let her go but when he did not he punched him in the face. TMZ reported that the man later chases and SUV that he thought had Bieber inside. The man appeared to be under the influence of drugs and was eventually arrested.