Chris Froome has urine thrown at him during 11th stage of the Tour de France . Incident comes day after collision with Tom Veelers . Chris Froome retains yellow jersey and extends lead to 30 seconds . Normandy 's Tom Veelers won the 33 kilometer time trial .
Mark Cavendish has urine thrown at him during 11th stage of the Tour de France . Incident comes day after collision with Tom Veelers . Chris Froome retains yellow jersey and extends lead to three minutes 25 seconds . Germany 's Tony Martin won the 33 kilometer time trial .