WWE fans storm the ring and wrestle each other at 'Smackdown' taping in London

A group of WWE fans stormed the ring during Tuesday's taping of "Smackdown" in London.

The fans interrupted a tag-team match that pitted John Cena and Daniel Bryan against Cesaro and Tyson Kidd. One video surfaced online, wherein one of the fans performs The Rock's finishing move known as the "Rock Bottom" on another.

The fans all appeared to escape the ring or be removed by WWE security. They didn't attack any of the wrestlers, which has happened in the past. 

One of the most notable instances occurred in 2002, when a fan attacked the late Eddie Guerrero during a Ladder Match with Rob Van Dam. As you can see in the video below, Guerrero didn't take too kindly to the fan's interference.