A rowdy punter knocked a bouncer to the floor in a brawl outside a popular bar.
The shocking clash showed one angry reveller standing up for his friend.
In a video of the incident, a security guard walked over before a man punched him in the face.
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The bouncer was knocked to the ground and a mass brawl erupted.
Security quickly intervened and attempted to pull the punter off of the floored bouncer.
The man in the green, who threw the punch, pinned the guard while the others tried to break them apart.
A crowd gathered outside the popular tourist spot in Boxpark, Camden, north London, as reported by Need To Know.

Bouncers and members of the public spent over a minute trying to separate the two men on the ground.
The floored security guard eventually managed to break free from the man before being ushered away.
The punter was then pinned to the ground by security as the situation de-escalated.
Members of the public were left shocked by the brawl on 12 May.
John Maguire said: “Best thing for them bouncers.”

John Pattern added: “Cheap kick at the end, why?”
Victor Gutierrez said: “Just another night in Camden.”
Steven added: “It did say box park.”
Another said: “That lad in jeans giving these security guards a run for their money.”

Boxpark Camden, the Met Police and the London Ambulance Service have been approached for a comment.