IRISH rugby referee Peter Fitzgibbon found himself officiating a bizarre encounter on Tuesday night when the father of Biarritz and French star Imanol Harinordoquy raced onto the pitch and attempted to punch players in a stormy Basque derby.

IRISH rugby referee Peter Fitzgibbon found himself officiating a bizarre encounter on Tuesday night when the father of Biarritz and French star Imanol Harinordoquy raced onto the pitch and attempted to punch players in a stormy Basque derby.