Manchester United manager Jose Mourinho was involved in touchline clashes with his counterpart Antonio Conte and was verbally abused by Chelsea fans.
The Portuguese was furious when midfielder Ander Herrera was sent off 10 minutes before half-time after a second Yellow card foul against Eden Hazard, and the managers were kept apart by match officials moments later after Marcos Alonso tumbled to the floor after being brought down.
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Kante‘s low drive shot finally beat defiant United keeper David de Gea, who superb saves against Hazard and Gary Cahill before the break to keep Mourinho’s side in the contest before Chelsea made the breakthrough.
Marcus Rashford, who came off his sick bed to play, as Zlatan Ibrahimovic was suspended, and Wayne Rooney and Anthony Martial were injured, created United’s best chance for himself but Chelsea keeper Thibaut Courtois saved with his feet to set up a semi-final against Tottenham at Wembley.