Northern powerhouses aim to shut south out of World Cup semi-finals

Each quarter-final pits a northern hemisphere group winner against a runner-up from the southern hemisphere. Could a historic lockout be made in France this weekend?

HEAD TENNIS: Keith Earls heads a ball at Stade Omnisports des Fauvettes, in Domont. Pic: INPHO/Dan Sheridan

Four Rugby World Cup quarter-finals, four massive north v south eliminators 

Wales v Argentina