A man hitting a woman is unacceptable behaviour, especially when it’s unprovoked, and in this instance justice was served swiftly by another man who had watched the incident unfold.

The footage shown here comes from Russia, and at first it appears to be a relatively peaceful scene as two men and a woman sit on a park bench soaking up the sunshine as birds chirp in the background.

However, on closer inspection it becomes apparent that the heavier-set, black-haired man with his shirt off sitting on the bench is intoxicated and seems to be having a disagreement with the woman.

Still, it all seems to be fairly low-key until out-of-the-blue the man slaps the woman in the face.

That prompts the other blonde-haired man sitting next to them to intervene and the two men stand up to face each other.

The bully, who’s the bigger of the two, postures aggressively, but the blonde-haired man is seemingly unconcerned by the size difference and lands a vicious head butt to the face of the perpetrator that sends him staggering backwards, before falling to the ground.

He then follows up with a brutal soccer kick straight to the face that instantly knocks the bully unconscious.

It’s well over a minute before the dazed thug starts to come too, and to his credit the blonde-haired man then offers to help him back to his feet.

Soccer kicks to the head of a downed opponent like this are actually banned in most modern mixed martial arts organizations like the UFC, though they were allowed in the legendary Japanese organization PRIDE back in the day, which legendary fighters like Mauricio ‘Shogun’ Rua and Wanderlei Silva took full advantage of at the time.

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On the street there are no rules though, and no referee to intervene if things go too far, as this woman-beater learned the hard way.