The north Londoners were 3-0 after 20 minutes, and 4-0 up by half-time. The eventual result never looked in doubt. Welsh international Aaron Ramsey scored his first hat trick for Arsenal, Laurent Koscielny scored, and Pierre-Emerick Aubameyang netted on his debut, after signing for £65 million from Borussia Dortmund in midweek.
Elsewhere, table toppers Manchester City drew 1-1 away at Burnley, with Johann Berg Gudmundsson hitting an 82nd minute equaliser for the Clarets. Raheem Sterling had earlier missed a relatively simple chance to put City 2-0 up, but his boss Pep Guardiola refused to blame the England forward for the result. Brazilian Danilo had opened the scoring for City after 22 minutes.
Tottenham Hotspur also forced a late draw at Anfield against Liverpool on Sunday, where late goals ended up a defining feature of an intriguing game. A controversial penalty award in injury time allowed Harry Kane to step up and secure a point for Spurs, after Reds defender Virgil van Dyk fouled Erik Lamela. Van Dyk was furious after the game, and felt Lamela had conned the referee to earn the spot kick. Earlier, Mohamed Salah had opened the scoring for the home team after just three minutes. Victor Wanyama equalised with 10 minutes remaining. There was still time, though, for Kane to have one penalty saved by Loris Kanius, before Salah scored his second and seemed to have won the game for Liverpool. Kane’s second penalty of the evening was successful, though, and Liverpool manager Jurgen Klopp was left fuming.
Elsewhere, Bournemouth beat Stoke City 2-1 at home, handing Potters boss Paul Lambert his first defeat since taking over the reins in the Potteries from Mark Hughes. Second-half goals from substitutes Joshua King and Lys Mousset won the game for the South Coast team, after Xherdan Shaqiri had put Stoke into the lead in the first half.
Manchester United won comfortably at Huddersfield Town, with Alexis Sanchez scoring his first goal for his new club, to add to another second-half effort from Romelu Lukaku.
Brighton & Hove Albion also enjoyed a convincing win, beating West Ham United 3-1 at the Amex Stadium. A first-half opener for the Seagulls from Glenn Murray was cancelled out by Javier Hernandez. But Jose Izquierdo and Pascal Gross sealed Brighton’s first win since December 23, with two fine goals for the home side.
Southampton were 3-2 winners at West Bromwich Albion, on a day when the home side paid tribute before kick-off to the late, great Cyrille Regis. Ahmed Hegazi headed the Baggies into an early lead, before goals from Mario Lemina and Jack Stephens put the Saints on top. James Ward-Prowse added a third for the visitors, and it proved decisive, despite a late effort from WBA’s Salomon Rondon. Daniel Sturridge made his full debut for Albion in the game, after his transfer window move from Liverpool last month.
Leicester City drew 1-1 at home to Swansea City, with Jamie Vardy’s 17th minute goal for the home team being cancelled out in the second half by Federico Fernandez. Swansea have now gone seven games unbeaten in all competitions.
Luka Milivojevic netted a second-half penalty for Crystal Palace at Selhurst Park on Sunday, securing a 1-1 draw against Newcastle United. Mohamed Diame had put the Magpies into the lead half way through the first half. Palace are now three points above the relegation zone, after recovering from making a disastrous start to the season.