West Ham legend Sir Trevor Brooking has roundly condemned the fan violence at London Stadium on Saturday, having watched the mayhem from the crowd.
The Hammers suffered a 3-0 home defeat by Burnley and many supporters responded with unprecedented levels of aggression and hostility in the stands.
Mark Noble threw a pitch invader to the ground, young families feared for their safety and stewards were unable to keep a lid on the chaos.
Brooking told BBC Radio 5 Live: 'I think some of the aggression was so strong it did go back to the bad old days.