Four people leapt out of a car on the M4 at Reading and attacked a man sat in an Audi with weapons.

Two men and two other offenders exited a dark blue Volvo used a tire iron, but the victim was unharmed.

Police are appealing for witnesses and dash cam footage at around 4.40pm on Monday, eastbound between Junction 11 for Reading and 12 for Theale.

Police described the first offender as a white man in his twenties, around 5ft 10ins tall. He had a big build with slicked back hair and shaven sides of his head.

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He was wearing a white t-shirt with dark blue jeans.

The second offender is described as a white man in his twenties, around 6ft tall. He had an average build with blonde hair. He had a pale complexion with blonde stubble.

The vehicle they were in had the partial registration number MK08 ***.

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Investigating officer PC Matt Hellier, based at Reading police station, said: “We would like to appeal to anybody who may have witnessed this incident or has dash-cam footage to please get in touch.

“We have set up a dedicated portal to upload footage or images to as well, which you can find here. 

“You can get in touch by either making a report online or by calling 101, quoting reference number 43220364990.

“Alternatively, for 100% anonymity, you can also call the independent charity, Crimestoppers, on 0800 555 111.”