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There is nothing tough about being a bully, as this guy quickly found out.

At a park in Wales a teenager went on a rampage punching and kicking innocent bystanders.

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When the thug decided he had enough, he then walked away, thinking he was as free as a bird.

That is until an ex-boxer that witnessed the chain of events unfold, decided he had seen enough.

He walked right up to the teenager and laid him out cold with one clean punch. A devastating right-hook.

Next time this young man has the urge to go on a wild spree, assaulting innocent people, maybe he’ll remember how it feels to be knocked out by a stranger.