Part of the M5 in Devon has been closed after a crash involving up to seven vehicles.
The accident happened on the northbound carriageway near Cullompton between junctions 28 and 29 at about 2100 BST.
Devon and Somerset Fire and Rescue Service said six appliances had been sent to the scene as a number of people were trapped in their vehicles.
Some of those involved are believed to have been seriously injured. Police have advised drivers to avoid the area.
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