Teachers spied half naked man ‘gyrating on a bottle’

  A half-naked man was spotted carrying out a sex act with a bottle by three teachers driving home from their school Prom at midnight, a court heard. Kenneth Potter, 32, was seen squatting, gyrating and ‘bobbing up and down’ by the side of a country road in Crawley, West Sussex. He was arrested at the scene after one of the teachers called police to report the ‘disgusting, lewd or obscene act’, jurors were told. But Potter claims he was…