This shocking footage shows the moment a youngster appears to be pounded with a metal bar in a vicious attack at a city centre bus stop.
The attack, which took place outside an interiors shop in Plymouth, shows a teenager charging across a busy road before flying at another youngster.
A 20-year-old man has since accepted a caution for the assault.
CCTV footage shows the attacker hitting his victim with a metal bar before other youngsters step in to the brawl.
A brave shopkeeper eventually steps in to break up the fight as it spills out onto his shopfront, smashing a window.
The shopkeeper eventually snatches the bar from the teenager, who struggles on the ground.