A CRASH on the M5 between Clevedon and Portishead is causing traffic chaos for commuters this morning (Tues).

Four vehicles collided on the northbound carriageway just north of junction 20 at 7.15am.

One lane of the motorway is still partially blocked while emergency services deal with the incident and an ambulance has been called for one male driver reporting chest pains and a woman with an arm injury.