Bite on Munster star O'Callaghan was accidental, panel rules

Glasgow scrum-half Niko Matawalu has been cleared of allegations that he bit Munster opponent Donncha O'Callaghan during Warriors' RaboDirect Pro12 defeat on Friday night.
Glasgow revealed Matawalu had been cleared to continue playing after a three-and-a-half-hour league disciplinary tribunal in Cardiff on Wednesday afternoon.