Officers investigating the disorder at the Saturday's Millwall vs Wigan FA Cup semi-final at Wembley have arrested a 27 year old man.
The man was arrested earlier this morning at his home address in Lewisham on suspicion of theft of a police hat.
He was taken to a south London police station and has since been bailed to return on a date in June pending further enquiries.
Officers from Operation Arrowtip are looking to identify all those engaging in disorder and would encourage anyone with information to contact the investigation team on 020 8246 0076 (not 24 hours) or Crimestoppers on 0800 555 111. All calls will be treated in the strictest confidence."
More top news
A bungling robber who left his phone at crime scene has been jailed for more than three years.
Four police officers set to face misconduct hearings after a Jury in the Henry Hicks inquest returned a narrative verdict.
A British passport spoof 'have to take safety precautions when leaving house' video has hit 650,000 views on Facebook.