London, April 5 -- Erling Haaland scored a hat-trick in just under 20 minutes as Manchester City qualified for the semifinals of the FA Cup with a 4-0 thrashing of Liverpool.

Haaland broke the deadlock from the penalty spot in the 39th minute after Virgil van Dijk brought down Nico O'Reilly on Saturday.

Manchester City began taking control, and the Norwegian doubled the lead in first half injury time after a rapid move that ended with Antoine Semenyo to cross for his near-post header.

Semenyo killed the tie off in the 50th minute after another rapid move involving O'Reilly and Rayan Cherki, and O'Reilly crossed for Haaland to complete his hat-trick in the 57th minute.

Manchester City goalkeeper James Trafford then saved a penalty from M...