Arsenal can retake top spot for Christmas when they visit Everton later, but City ramped up the pressure on the Gunners with a seventh consecutive win in all competitions.

The Hammers feared a rout when Haaland smashed home after just five minutes.

Alphonse Areola saved the Norwegian's first effort before the ball broke kindly for Haaland to fire into the top corner.

Haaland turned provider for City's second just before half-time as Tijjani Reijnders scored his first goal at the Etihad.

West Ham missed a number of chances to halve the deficit early in the second period as they remain in the relegation zone.

Haaland, by contrast, was ruthless as he netted his 38th goal of the season already for club and country when the ball broke his way 21 minutes from time to move City one point ahead of Arsenal.