Paris Hilton's boyfriend 'arrested for punching man after their girlfriends shared lesbian kiss at Vegas club'

PARIS Hilton's boyfriend River Viiperi has been arrested on suspicion of battery.

The hotel heiress and her 21-year-old toyboy were partying at a Las Vegas nightclub in the early hours of Monday 

morning when the Spanish model punched an onlooker in the face.

According to gossip website TMZ, a male party-goer filed a police report claiming his girlfriend was "making out" with 

Paris on the dancefloor when a jealous River punched him so hard that he needed medical attention.

Viiperi was taken into custody, cited for misdemeanour battery, and later released.