Police intervened after MIllwall fans fought each other in the stands at Wembley as the London club lost 2-0 to Wigan Athletic in the FA Cup semi-final.
Former Millwall player Paul Ifill said Lions fans who fought each other in the stands during today's FA Cup defeat to Wigan "tainted the day".
Gutted boys had a go 2nd half Wigan 2 gd great cup run now bk 2 the league must stay up! Shame that a few so called fans tainted the day!
Wigan Athletic have reached the FA Cup final for the first time in their history, beating Millwall in a match that was marred by scenes of violence involving fans of the London club.
Shaun Maloney and Callum McManaman scored in a 2-0 win for the Latics, whose victory means the club qualify for Europe.
Millwall fans could be seen fighting each other in the stands throughout the second half of the Wembley semi-final.
Swansea manager Michael Laudrup has spoken of his pride after seeing his side thrash Bradford 5-0 to win the Capital One Cup at Wembley.
Laudrup told Sky Sports 1: "I'm very proud of my team today. I think it was a great performance."
He also hailed the triumph as the best of his managerial career.
As a manager it's absolutely at the top, winning a trophy for the first time in 100 years.
The first trophy is always special, and now next year in Europe... it's a nice experience.
A huge flag made to commemorate the 56 supporters who died at the Valley Parade fire in 1985 has been rolled out by Bradford City fans at Wembley.
Supporters clubbed together to fund the production of the flag, which, which measures 30m x 15m.
Swansea City kick off against Bradford City in the final of the Capital One Cup at Wembley at 4pm.
It is Swansea's first major cup final in the club's 100-year history, and they are 90 minutes - plus extra time and penalties if required - away from winning their first major cup, and qualifying for European football next season.
League Two side Bradford also have history on their minds. They have knocked out three Premier League teams already, and become the first team from the fourth tier to play in a major Wembley final.
The ITV Sport website has live updates on the action.
Bradford City's Wembley mascots Jake Turton and Ryan Siddall have arrived in London ready to lead out the Bantams on their big day.
Brave cancer survivor Jake, 9, has led the team out once before - when Bradford beat Aston Villa at Valley Parade in the semi-final first leg of the Capital One Cup.
But for Ryan,12, who won a gold medal in table tennis at last year's British Transplant Games after his dad donated him a kidney, today will be the first time he has led his City heroes out.
The club received special permission from the Football League to have two mascots.