UPDATE: All lanes how now been cleared.

MOTORISTS are facing delays of up to 40 minutes following a multi-vehicle pile-up on a Hampshire motorway.

One lane of the M3 northbound is blocked following the collision between junction 11 and junction 10 at Winchester.

Multiple vehicles are involved in the incident.

Delays of up to 40 minutes are building from junction 14 at the M27.

More to follow...