Traffic is building on the northbound carriageway. Picture: Highways England (Image: Highways England)
A mutli-vehicle crash on the M5 has left it partially blocked this afternoon (Tuesday).
The accident has taken place on the northbound carriageway, between junction 21 (Weston-super-Mare) and junction 20 (Clevedon).
One lane - believed to be the outside lane - has been closed while the incident is dealt with.
Queues are beginning to form back past junction 21 and delays are estimated to be around 30 minutes.
Highways England is on the scene.
UPDATE (4.15pm): The road has reopened but Highways England warns of 'heavy congestion' in the area.
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