Arsenal put in their best performance of the season with a 6-0 thrashing of West Ham United on Sunday.
The hosts held firm for 31 minutes before completely falling apart and allowing the Gunners to strike four times before the break.
West Ham's misery continued after the restart and a rapidly-emptying London Stadium bore witness to two further goals before the long-awaited final whistle.
Arsenal had control of the opening stages — racking up to 90% possession at one point — but it was West Ham who went closest to taking the lead, catching the Gunners cold on the counter. Ben Johnson's low cross was heading towards Mohammed Kudus, but Jakub Kiwior made an important intervention at the far post to deny a certain goal.
Leandro Trossard must have thought he had broken the deadlock when he struck a fierce volley towards the top of the net after meeting Gabriel Martinelli's cross, only for Alphonse Areola to throw up a strong hand and palm it over.
With just over half an hour on the clock, Arsenal went in front. Declan Rice's deep corner flew to the back post to find William Saliba, and he headed in the opener — the Gunners' 11th Premier League goal from a corner this season.
The lead should have been doubled shortly afterwards when a cross from Kiwior found the head of Bukayo Saka, but he somehow steered his effort wide.
Another chance came and went for Saka after being slipped in behind by Martin Odegaard, this time dinking a shot narrowly past the post.
Saka's continued menace yielded Arsenal a penalty just before the break, racing onto the end of a Trossard through ball and being hauled to the ground by Areola. Arsenal's number seven stepped up and made no mistake from 12 yards, netting his 50th goal for the Gunners.
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