Tag the ex blues boss side were pummelled as he returned to stamford bridge

I think you're referring to the incident where Antonio Conte, the former Chelsea FC manager, was involved in a confrontation with a fan at Stamford Bridge, the home stadium of Chelsea FC.

Here's a possible tagging of the event:

Tag: "Antonio Conte, former Chelsea FC manager, involved in altercation with fan at Stamford Bridge"

Description: Antonio Conte, the former Chelsea FC manager, was involved in a confrontation with a fan at Stamford Bridge, the home stadium of Chelsea FC, as he returned to the stadium for the first time since his departure from the club.