Speaking to the Evening Standard, Chief Superintendent Mick Johnson, who was the match commander, said: "Picking them out is one of the difficulties we face in terms of taking this forward. The chap who was arrested shouted in an officer's face, so it was fairly easy.
"Another man stood on his own and started singing the 'Y' word, so he was approached and warned and took on board what the officer said. The plan was quite straightforward."
More top news
Reverend Simon Harvey from Islington lost his wife Jennifer to a sudden illness nine weeks ago.
Drivers will be forced to charge reasonable fares under plans to ensure tourists are not targeted by drivers trying to take advantage.
Robbie is Britain's first official bionic hound, after having his back legs strengthened with a state-of-the-art exoskeleton.