A 63-year-old man is in hospital with serious injuries after a group of motorcyclists were attacked by a gang of people in four cars on the M74 in South Lanarkshire on Sunday. Police Scotland said the incident was a targeted attack and took place between junctions 10 and 11 near Lesmahagow.
What is known about the vehicles involved?
A red Mazda believed to have been involved in the incident was later recovered in Ayrshire with a smashed rear window. The other vehicles have not been traced.
What did police say?
Det Sgt Craig Wait said: "We believe this was a targeted attack on the group of motorcyclists and it's vital we trace the people responsible.
"One man has been seriously injured as a result of the attack and many others, including members of the public who witnessed what happened, have been left shaken.
"I'm appealing to anyone with information to come forward, external."
Police said the attack has left a number of people shaken, including members of the public who witnessed what happened, and officers are continuing to appeal for information.
