The Glasgow Times understands the incident took place on the city’s Kingston Bridge shortly after 11am on Friday, April 12.
In a video being widely shared on WhatsApp, two people are seen fighting on the road.
Meanwhile, in the image, traffic on the motorway was sitting at a standstill – with motors queuing up.
It is unclear the full nature of the incident and why the pair were fighting, however, it is understood Police Scotland attended the scene after receiving reports of the altercation.