Former WCW wrestler Silver King has died after collapsing in the ring during a show in London.

He played the villain in film Nacho Libre alongside Jack Black and was performing at the Roundhouse in Camden last night.

The wrestler, real name Cesar Barron, is said to have died from a heart attack while facing Juventud Guerrera, or Youth Warrior, according to Mexican outlet Record.

Footage posted by the Lucha Azteca AAA shows Juventud Guerrera appearing to kick Silver King in the side before turning him over to ‘pin’ him for the victory.

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After the victor celebrates, fellow wrestlers come to the aid of the stricken fighter.

The official Lucha Libre Twitter account tweeted a picture of the wrestler captioned ‘Rest in Peace’.

The post read: ‘Lucha Libre AAA Worldwide joins the grief that the Luchistica family has for the death of Cesar Cuauhtemoc Gonzalez Barron “SILVER KING”.’

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Barron was the son of another Lucha wrestler Dr Wagner and his brother, Dr Wagner Junior, also competed as a wrestler.

He paid tribute to his brother online, changing his Twitter profile to an image of a black ribbon.

Lucha Libre wrestling sees competitors wear colourful masks and elaborate costumes.

Silver King competed in the World Championship Wrestling between 1997 and 2000, taking on Juventud Guerrera for the Cruiserweight Championship in 1998.