POLICE have made an arrest after a man was killed in an early-hours crash on the M4.

The fatal single-car incident happened on the eastbound carriageway of the motorway between junctions 18 and 17 just after 1.30am on Thursday, September 24.

A man, 31, was arrested on suspicion of causing death by careless driving and has since been released under investigation

One man travelling in the car was pronounced dead at the scene while another was taken to Southmead Hospital in Bristol with life-threatening injuries but has been discharged.

Any witnesses or anyone with dashcam footage should contact 101.