Football: Crowd trouble at West Ham v Millwall

After disruptions were reported outside the ground, stewards and police attempted to contain fans as both sets of supporters taunted one another Photograph: Shaun Botterill/Getty Images

Millwall's Neil Harris, left, put the Lions ahead after 26 minutes Photograph: Matthew Childs/Action Images

West Ham United's Carlton Cole controls the ball on his chest as he attempts to get his side back in the match Photograph: Nick Potts/PA

A steward chases a West Ham United fan who invades the pitch after Junior Stanislas scored the equaliser with three minutes of the game to go Photograph: Nick Potts/PA

After West Ham equalised, several West Ham fans fan on to the pitch to gloat in front of Millwall players Photograph: Nick Potts/PA

A fan is led away by riot police Photograph: Nick Potts/PA

Eight minutes into extra time and Stanislas scores his second goal, this time from the penalty spot, to put West Ham 2-1 ahead Photograph: Shaun Botterill/Getty Images

West Ham's second goal leads to another pitch invasion and again players were approached on the pitch, including Carlton Cole Photograph: Stephen Hird/Reuters

Jack Collison encourages fans to return to the stands Photograph: Stephen Hird/Reuters

A steward removes a broken seat from the pitch Photograph: Nigel French/EMPICS Sport

West Ham's Zavon Hines celebrates after scoring West Ham's third goal Photograph: Stephen Hird/Reuters

At the end of the match, police waited on the streets in riot gear Photograph: Dominic Lipinski/PA

In an effort to avoid further trouble police officers in riot gear marshall fans on Priory Road, outside Upton Park Photograph: Dominic Lipinski/PA

Collison applauds the well-behaved fans who showed their support to him after the death of his father in a road traffic accident while travelling to see him play last Sunday against Tottenham Photograph: Shaun Botterill/Getty Images

Mutual appreciation between the Millwall fans and the players after the match Photograph: Nick Potts/PA

A man confronts riot police outside Upton Park Photograph: Dan Kitwood/Getty Images

Mounted police move in to bolster the police lines Photograph: Dominic Lipinski/PA

People get stuck on a bus outside the ground as police deal with the violence Photograph: Dan Kitwood/Getty Images

West Ham fans at Green Street, outside Upton Park, taunt the police Photograph: Dominic Lipinski/PA

Police medics attend to an injured man in Green Street following further violence after the match Photograph: Dominik Lipinski/AP