Horrific moment a reveller is knocked out by a teenager, 18, in a cowardly one-punch attack outside a nightclub
- Footage shows the man in his 40s speaking with an 18-year-old at a nightclub
- The conversation turned violent as the teen slammed the older man in the jaw
- He fell to the ground and lay unconscious, as the teenager ran away with friends
- The man is in a stable condition at a Perth hospital, and the teen was charged
The horrific moment moment a man was knocked unconscious by a teenager in a one-punch attack outside a nightclub has been caught on video.
Footage showed the man in his 40s briefly speaking with the 18-year-old man at about 1.20am on August 4 outside the Metropolis nightclub in Fremantle, Perth.
The conversation soon turned violent as the teen punched the older man in the jaw and knocked him to the ground in front of about a dozen onlookers.

CCTV footage captured the shocking moment a middle-aged man was knocked unconscious by a teenager in a one-punch attack outside a nightclub (pictured)
The young man was then seen running off with a group of friends, leaving the man motionless and sprawled across the pavement, as a group of women came running to the punch victim's aid.
A police spokesperson said the man in his 40s suffered a head injury and was taken to Royal Perth Hospital where he remains in a stable condition.
The 18-year-old man has been charged with acts or omissions causing bodily harm or danger.
He will appear in Fremantle Magistrates Court on August 20.

Footage showed the middle-aged-man briefly speaking with the 18-year-old man at about 1.20am outside Metropolis nightclub in Fremantle, Perth. The conversation then turned violent as the teen slammed him in the jaw and knocking him to the ground (pictured)

He left the man motionless and sprawled across the pavement, as a group of women came running to his aid (pictured)