(Providence, RI)--The man authorities say is the president of the Rhode Island chapter of the Hell's Angels motorcycle gang is in trouble again.Joseph Lancia of Smithfield was arrested after an altercation at the Cadillac Lounge strip club in Providence on Saturday night, according to Providence police.Reports indicate police witnessed Lancia punch someone, causing them to hit their head on the ground and temporarily become unconscious, as responding police officers were escorting Hell's Angels from the club.According to a report from The Providence Journal, police say Lancia can only be charged with disorderly conduct because the victim did not wish to make a formal complaint.Lancia was arrested last June after police said he fired his gun at a vehicle passing by the biker club in the city.