Chelsea boss Jose Mourinho turns on Arsene Wenger as Diego Costa row rumbles on

Jose Mourinho appeared to launch an astonishing attack on Arsenal manager Arsene Wenger after Chelsea striker Diego Costa was retrospectively banned for violent conduct during last Saturday's defeat of Arsenal.

Costa is absent for the second game of his three-match suspension at Newcastle on Saturday after he was sanctioned by the Football Association for grappling with Laurent Koscielny in last week’s 2-0 win.