It happened near Junction 28 on the southbound carriageway and involved several vehicles
A multi-vehicle accident on the M5 southbound after Cullompton has brought traffic to a standstill.
The crash happened near Junction 28 with the A373 Honiton Road (Cullompton Service Area).
The accident was first reported at about 6.30pm on Tuesday, June 4. There are no further details of the vehicles involved or of any casualties.