Manchester City defeated Manchester United 2-0 on Wednesday night, to take control of this season’s title race.
Bernardo Silva and Leroy Sane scored two second-half goals, to give City all three points at Old Trafford.
For United, it was their seventh loss in nine fixtures.
City now have 89 points, one more than Liverpool.
At the Molineux, Arsenal’s top four hopes suffered a crushing blow, as they were beaten 3-1.
The Gunners were three goals down in the first half, thanks to strikes from Ruben Neves, Matt Doherty and Diogo Jota.
Sokratis’ header in the second half, was only a consolation for Unai Emery’s men.