A multi-vehicle collision has closed three lanes on the M5 today (Monday).

Weston Mercury: There has been a multi-vehicle accident on the M5 today.Picture: Traffic EnglandThere has been a multi-vehicle accident on the M5 today.Picture: Traffic England (Image: Traffic England)

Severe delays of up to an hour and a half are expected on the M5 northbound between Weston's junction 21 and junction 20 (Clevedon) this afternoon.

A police spokesman said: "We were called to an incident at 2.40pm on the M5 northbound.

"Around six vehicles were involved and there were two casualties with non-life threatening injuries."

Tailbacks of more than six and a half miles are being experienced and the incident has forced people to travel on the hard shoulder to pass the scene.

Weston Mercury: There has been a multi-vehicle accident on the M5 today.Picture: Traffic EnglandThere has been a multi-vehicle accident on the M5 today.Picture: Traffic England (Image: Traffic England)

Traffic England is advising people to consider alternative routes while the area is cordoned off.

It says normal traffic conditions are expected to resume by 6pm.

**UPDATE, 5.07pm** - Two people have been treated at the scene, one has been taken to hospital. **UPDATE, 5.32pm** - All lanes are now open on the M5 following the earlier collision, but there are tailbacks leading up to Weston's Hildesheim Bridge.