City and crashed out of the Carabao Cup. With the scoreline at 1-1, Runarsson flapped at Riyad Mahrez's free-kick and effectively punched the ball into his own net.
Phil Foden and Aymeric Laporte went on to wrap up the win for the visiting side and end Arsenal 's Carabao Cup trophy hopes.
Shortly after the encounter Runarsson deactivated his Twitter account."It is [a terrible moment for Runarsson] but we win and lose together," Arteta said at full-time on the mistake."Alex has played other games.
We decided to play him tonight for lots of reasons and that’s it. The responsibility is for all of us."The loss to City follows a run of five defeats in seven Premier League games for Arsenal.Pressure is now mounting on Arteta who faces another.
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