Mikel Arteta rages at penalty decision against Arsenal – despite 2-0 win sending them top – as he gives awkward interview about ‘judo roll’ incident: ‘I’m so upset. It is unacceptable!’

Arteta’s side maintained their 100 per cent record in their title defence on Saturday night thanks to goals from Bruno Guimaraes and Bukayo Saka, but it could have been a very different story.