Manchester United, unable to maintain their early derby lead, fell to host Manchester City (1-3) on Sunday, in the 27th round of the Premier League.
Man Utd took the lead in the 8th minute through Rashford, but City responded with Phil Foden's double (56 and 80) before Haaland scored the third goal (90 + 1).
With this result, Man City continued to chase Liverpool, strengthening their runner-up position with 62 points, while United remained at 44 points in sixth place.
The Man City extended his control as expected from the outset, but could not reach Andre Onana's goal with dangerous chances in the opening minutes.
The Cameroonian goalkeeper played a part in City's early goal, sending a longitudinal ball towards Fernandes on the boundary of the box, setting it turned up for Rashford, coming from behind, to meet a rocket strike that hit the bar and into the net.
Manchester City intensified their pressure after a late goal, hoping for a quick equalizer, which was almost achieved by Foden, who fired a shot into the far right corner, which Onana brilliantly blocked.
Phil Foden returned to threaten goalkeeper Onana's goal, but the latter again shone by denying him a goal.
After a period of calm amid City's control, the hosts returned to threaten again with a powerful shot fired by Rodri, from the edge of the box, but Onana was vigilant and deftly turned it into a corner.
Just before half-time, Haaland missed a strangely achieved goal, after a head pass from Foden reached him at the heart of the goal, but he met the ball with a direct touch on the bar, amid surprise from his coach Pep Guardiola.
The situation did not differ at the beginning of the second half, with United preferring to continue the defensive bloc, under City's absolute control throughout play.
About 5 minutes later, Onana reappeared with Doko's shot from the left, continuing to deny the hosts access to his net.
After a deluge of attacks, Foden could break United's steadfastness and guard with a rocket aim from outside the box, settling into the far right corner of Onana, sealing an equalizer.
Garnacho received an elaboration through the ball and then went on to catch the ball, but Ederson's exit prevented him from hitting him and going for a goal kick.
After a set of passes, Bernardo Silva paved the ball for Foden inside the box, launching the latter before hitting a creeping pitch, touching Onana's hand before settling into the net, for City to score the lead.
De Bruyne emerged with a dangerous chance in the final minutes, after firing a rocket strike from a distance, the ball passed by the post.
Amrabet committed a fatal lapse by losing the ball to United's penalty area, turning into a counter-attack. Haaland ended with a ground shot at the far right corner, enhancing the hosts' lead for a third goal.
Man Utd were unable in the final minutes to show a reaction, ending with the hosts winning a hat-trick for a goal.