TMZ.com reports that Jon “War Machine” Koppenhaver was arrested over the weekend after punching security guards at Vegas night club, Krave. War Machine picked up by Las Vegas PD for misdemeanor battery Saturday morning after allegedly getting into a tussle at Krave Nightclub, a gay bar. Cops told TMZ security at Krave was escorting War Machine out of the club after a he got into a fight — when he allegedly turned on security and starting punching them. Security made a citizens arrest until Las Vegas PD could show up. You can see War Machine’s his mugshot here.