A supporter tussles with West Ham captain Mark Noble during Saturday's matchAn emergency summit involving West Ham and London Stadium stakeholders is being held to discuss ways to combat the ugly scenes which occurred during Saturday's loss to Burnley. West Ham are facing an investigation by the Football Association after a series of pitch invasions and widespread supporter unrest marred Burnley's 3-0 win. A spokesperson for Sadiq Khan says the Mayor of London has called on West Ham to take action against the fans who disrupted the match. West Ham fans protest during the game against BurnleyThe spokesperson said: "The disturbances at the London Stadium were disgraceful and it's clear that there cannot be a repeat of the ugly scenes witnessed on Saturday. "It is up to West Ham to carry out a thorough investigation, together with stakeholders, and take proper action against those supporters who misbehaved."

Source: Sky sports March 12, 2018 12:11 UTC