Jackass Star Surrenders for Alleged Brother Fight.

Jackass star Bam Margera surrendered to Pennsylvania State Police on Thursday morning for allegedly punching his brother during an altercation four days earlier at their home in the Philadelphia suburbs. He was arraigned and pleaded not guilty, according to his lawyer, Michael van der Veen. Margera was charged with simple assault, harassment, and four counts of terroristic threats. His next court date is May 25.