Police are appealing for witnesses after a road traffic collision on the M5 on Saturday resulted in an altercation between the two parties.

The incident, which took place on the northbound carriageway between junction 18 at Avonmouth and junction 17 at Cribbs Causeway at around 9am, involved a collision between a white Mercedes Benz and a green Kawasaki motorbike.

Both parties stopped at the junction 17 roundabout after the collision, where the altercation ensued.

Officers are keen to speak to anyone who witnessed the incident or saw either vehicle prior to the collision.

Anyone who could offer information that could assist police inquiries are asked to call 101 immediately, quoting log number 338 of 13/8.