A Wolves fan who entered one of the home sections at the Hawthorns and chanted 'f*** off West Brom, go Wolves' was mobbed and punched minutes later.
The man, who was joined by friends and posted the video on Snapchat, had to flee while being attacked by West Brom fans.
The FA Cup derby clash between West Brom and Wolves was suspended for more than 30 minutes on Sunday following 'inexcusable' violence in the crowd and six people have been arrested.
Wolves won 2-0 in a match marred by ugly scenes as fans stormed the pitch, 'missiles' were thrown and 'distressed' players carried their children out of the stands at The Hawthorns.