A COLLISION involving two vehicles on the M3 is causing major delays on roads in and around Winchester.

Police are appealing witnesses following the collision which happened just after midnight today (October 6).

Police attended a collision involving a silver Hyundai i10 and silver Volkswagen Caddy Van, which happened between junctions 8 and 9 on the southbound carriageway.

A man in his 50s from Basingstoke has suffered serious injuries and remains in hospital, a second man in his 50s from Alresford suffered minor injuries in the collision. They were in separate vehicles.

READ MORE: Heavy delays on all approaches in Winchester as M3 closed following serious collision

The road was closed while emergency services attended.

Enquiries into the exact circumstances of the collision are underway.

A Hampshire Constabulary spokesman said: "We are keen to hear from anyone who may have witnessed the incident or moments leading to it, particularly anyone with dash cam footage from the area of the vehicles described.

"If you have any information which can assist our enquiries, you can call 101, quoting the reference 44220405860, alternatively, you can submit information online by going to https://www.hampshire.police.uk/tua/tell-us-about/cor/tell-us-about-existing-case-report/."