'Philadelphia police said the dispute started over the ownership of a bottle of Champagne. The first cop was punched to the floor, and “while he was on the ground, he was punched, kicked and stomped about his body and head multiple times by all four Suspects,” according to the statement. He was treated at the hospital for broken ribs, a broken nose, sprained thumb and facial lacerations. The second cop, who intervened to halt the attack, is receiving treatment for a possible skull fracture, in addition to getting stitches over his eye.'