Jose Mourinho was sent to the stands as Manchester United were again frustrated at home with a 1-1 draw against West Ham.
Diafra Sakho gave West Ham a second-minute lead before Zlatan Ibrahimovic equalised.
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The result means United have failed to win in four consecutive home games for the first time in League history.
Elsewhere Everton boss Ronald Koeman suffered a disappointing return to old club Southampton.
His side lost 1-0 at St Mary's.
Arsenal are three points from the top of the table after a 3-1 win at home to Bournemouth.
And Stoke were 1-0 winners away to Watford.