Jose Mourinho charged by FA after bottle kick against West Ham

The Portuguese took out his frustrations on a water bottle, booting it down the Old Trafford touchline, after Paul Pogba was booked for diving in the first half.

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Referee Jonathan Moss dismissed him, with Mourinho watching the remainder of the game from a secret room in the stadium.

"It is alleged his behaviour ... amounts to improper conduct," the FA said in a statement on Monday. "He has until 6pm on 1 December 2016 to respond to the charge."

Mourinho did not speak to media after the game, instead leaving assistant Rui Faria to express his frustration.

Faria said: "I think everyone saw his frustration was shown in a situation where it should have been a free-kick for us, but it finished with a yellow card to Paul.

"There are maybe reasons to express some frustration. After that there are also things that are part of the game and the referee took the decision on the sending-off, but everything that comes from our perspective is it should be a decision for the opposite side."

Replays of the Pogba incident, which occurred as Mark Noble attempted to tackle the Frenchman midway through the first half, did not necessarily support United's viewpoint. There seemed minimal or no contact as Noble slid in.

Mourinho has already served a touchline ban this season after being sent to the stands during a goalless draw with Burnley in October.