Bam Margera turned himself in Thursday to Pennsylvania police after a warrant was issued stemming from charges he allegedly assaulted his brother.

The Pennsylvania State Police tells TMZ that Margera, the former “Jackass” star, was preliminarily arraigned and bail was set at $50,000. He’s due back in court next month.

According to reports, Margera got into an altercation with his brother, and officials said he threatened to put a “bullet in his head.”

“I just got out of the courthouse with my lawyers,” Margera posted on social media. “Everything went great and the false accusations of what my brother says are not true and he will be sued for defamation as well as being evicted from castle bam sooner than later. The reason I lost my cool is because I read his phone saying he wants me back in California and he wants to find a way to 302 me. ‘F*** him.’”

Margera attorney, Michael van der Veen, told TMZ, “The wild rumors regarding his behavior this week are absolutely false.”

Pennsylvania state police have issued the arrest warrant for Margera on Sunday for what was described as a “physical confrontation.”

Police were called to a home in Pocopson Township, Pa., where Margera’s brother, Jess, said Bam Margera attacked him, hitting him multiple times in the head and said, “I’ll kill you. I’ll put a bullet in your head.”

According to Jess, Bam fled into the woods.

Mark Heim is a reporter for The Alabama Media Group. Follow him on Twitter @Mark_Heim.