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
The Met Office says temperatures are likely to climb above 20 celsius.
In a sketch for 'The Late Late Show', James Corden temporarily took charge with some unusual coaching techniques.
Calum McSwiggan posted a photo on Instagram as he lay in a hospital bed after the alleged attack.