Arsenal strengthened their burgeoning title credentials and plunged Liverpool's season into more turmoil as the Gunners won an epic clash at the Emirates.
It took Arsenal just a minute to open the scoring when Martin Odegaard cut through a static Liverpool defence to feed Gabriel Martinelli, who swept home.
Liverpool, fielding four attackers, dominated possession after that and levelled when Luis Diaz teed up Darwin Nunez, only for a fast Gunners break to end in Bukayo Saka putting them 2-1 up before half-time.