Emergency crews are tackling a vehicle fire on the A303 westbound, just after junction 8 of the M3 in Hampshire.
Thick Fog and Emergency Response Close Roads
With dense fog rolling in and a heavy emergency presence at the scene, police have shut both the southbound M3 and the A303 westbound to keep drivers safe.
Drivers Face Delays as Roads Remain Shut
Authorities apologise for the hold-up and promise to reopen the carriageways as soon as possible. Expect traffic jams as crews work to clear the incident.