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Two men and a woman brawled on the hard shoulder of the M20 almost toppling into oncoming traffic.
Horns blare and motorists shout as the trio come to blows, reportedly over a business dispute.
Two men brawl beside the M20
Footage of the incident, which happened last week between the junction for Blue Bell Hill and the Maidstone turn off, has been viewed thousands of times on Facebook.
KentOnline has chosen only to show a segment of the two-minute clip and blur the faces of those involved.
The video begins with one man, who appears to be unknown to those fighting, sprinting over and yelling: "Keep your hands up I want to see fair play."
The woman then asks "who are you?" to which he responds that he is keen to adjudicate proceedings.
A Range Rover and van can be seen parked up by the side of the coast-bound carriageway.
The scuffle continues with wild punches hurled, although it is not immediately clear if any land.
The men grapple and almost fall into the outside lane as the woman shouts expletives.
At one point the cameraman gives one of the combatants a pep talk: "Fair play, you're doing him."
The man, whose shirt was ripped in the encounter and by this point has been removed, then tells his rival to "come meet me somewhere else when it ain't [sic] on the motorway".
The cameraman then concedes that it is a bit "bait" – slang for a very public situation likely to attract negative attention.
Kent Police was not immediately able to find details of the incident.