Police carried out dawn raids to arrested three men in connection with violence at an FA Cup match between Millwall and Wigan.
The men, aged 21, 22 and 27, were arrested at addresses in London by officers from Operation Arrowtip, which targets football-related crime.
So far 23 people have been arrested in relation to violence at the semi-final at London's Wembley Stadium on 13th April, during which Millwall fans attacked police and fought among themselves inside and outside the ground.
More top news
Police have raided another address in Moss Side as they investigate the Manchester Arena attack.
A band of heavy, thundery showers moves in from northern France this afternoon.
Armed police were out in force as runners competed in the largest public event in the city since Monday's terror attack.