Jackass star Bam Margera charged with punching brother

Bam Margera in 2010 (Yui Mok/PA)

Jackass star Bam Margera is accused of punching his brother in the face during an altercation at their home in the Philadelphia suburbs before taking off on foot, according to Pennsylvania State Police.

An arrest warrant was issued for Margera, 43, and police said they were looking for him.