Arsenal 2-0 Manchester United
Manchester United suffered first Premier League defeat under Ole Gunnar Solskjaer and dropped to fifth, while Arsenal move into the top four.
Granit Xhaka scored the first the goal after beating David de Gea with a swerving shot from outside the penalty area; should have been stopped by the United keeper.
Manchester United missed several opportunities before and after the goal; Romelu Lukaku hit the bar and the Brazilian midfielder Fred struck a post for United. Arsenal keeper Bernd Leno made two crucial saves to keep out Lukaku
Then Pierre-Emerick Aubameyang doubled the Gunners’ lead from the penalty spot after a foul on Alexandre Lacazette by Fred.
Arsenal have now seven out of 10 top-flight games in 2019 and are one point behind north London rivals Tottenham, who sit third in the table, with eight games remaining.
United, who started the weekend in fourth, drop to fifth in the race for a Champions League spot next season.