When this troublemaker refused to stop harassing a car park security guard he got exactly what he deserved – a buffet of knuckle sandwiches!

The altercation took place at the Bel Air parking lot in Sacramento, California and was filmed by the dash-cam of a passing motorist.

From the start it’s clear that the middle-aged, spectacle-wearing security guard is doing is best to avoid a fight as he continually backs away from the younger man, who is approaching him in an aggressive manner.

Several times the guard is seen motioning to the troublemaker to go away, but his pleas are ignored and it’s obvious that the man is intent on starting a fight.

Despite the security guard’s best efforts to maintain a safe distance, a physical confrontation is almost inevitable at this point, and after one last attempt to tell him to leave fails, fists finally start flying at roughly a minute into the video.

Both men throw a punch at the same time, but miss at the first attempt. The guard is first to follow-up though and lands a cuffing right hand that knocks his attacker down.

With the lout now on his knees the security guard goes to work on him, landing an unrelenting series of hard uppercuts and hammerfists to his head, before finishing up with a final knee to the face.

He then starts backing up, which enables the thug to get to his feet, and it looks as if the trouble might be about to continue, but a man in a white pick-up truck suddenly pulls over and intervenes to stop the fight.

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The driver apparently didn’t see the whole incident as he tells off the security guard, but thankfully, due to the video footage we’re left in no doubt that he was only defending himself after having shown commendable restraint initially.