Guglielmo Vicario claims he had to protect Spurs teenager Lucas Bergvall from "a bad person" among the fans at the Tottenham Hotspur Stadium.

Nineteen-year-old Bergvall lasted just four minutes of Spurs' derby defeat to Chelsea on Saturday. Blues midfielder Enzo Fernandez accidentally smashed the ball into the back of the Swede's head, causing the youngster to fall to the floor before wobbling back to his feet.

Despite his protestations, the Tottenham doctors decided Bergvall had to come off and tests later confirmed the teenager was concussed.

After the game, the midfielder walked around the pitch applauding the fans but goalkeeper Vicario soon spotted he was being abused by someone in the south stand at the club's home.

The Italian pushed the teen away towards the tunnel and could be seen to repeatedly gesture back towards the supporter, pointing to him and then to his own eyes in an "I see you" motion as he left the arena.

"In every environment there are very good people and some...