AMHERST, Mass. - A tailgater skinny dipping inside a truck bed at a University of Massachusetts football game has been charged with assault for allegedly kneeing a campus police officer in the groin.

Deputy Chief Patrick Archbald said a 21-year-old man was among several fans splashing around in the back of a pickup truck before Saturday's game against the University of Delaware.

When police told them to stop, the man refused to get out. He then approached an officer and kneed him twice in the groin, Archbald said.............;_ylt=Aqz0h_frA5_w.779C4EzXiosQE 4F