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Five people were reportedly injured in the disturbance, leading to the arrests of three people at the facility in Staufen, south Germany.

The clip shows a line of security staff standing in the grounds of the property as they are approached by a group of topless man carrying weapons.

One of the attackers hammers a guard in the side with what appears to be a plank of wood, igniting the fierce melee.

(Image: TWITTER)

Crashing and banging can be heard over the screams of people fleeing the chaos, before the camera cuts back to the action outside.

A stricken security guard is rescued from the violence after being floored by a metal barrel thrown at him as the terrifying minute-long incident finally comes to an end.

One of the men is said to have attacked workers while brandishing a knife.

(Image: TWITTER)

The fight is believed to have broken out last week but footage of the chaotic brawl has only just emerged online.

It is unclear what might have ignited the violence, although the official police report stated that at least three of the suspected perpetrators were Syrian and the security staff Turkish, fuelling speculation that the incident was racially motivated.

Two of those injured were said to be in a life-threatening condition, although no further updates have been provided.