NIAGARA FALLS - A 15-year-old girl told police she was assaulted early Saturday during a party in the Seneca Niagara Casino hotel.

Police said the girl was attacked by a 20-year-old man who showed up at 4 a.m., and after she refused to leave with him. Police said the attacker forced her outside and hit her several times, then stole her cellphone. The girl refused treatment, police said.