A toddler's been killed after being hit by a van in Tintagel.
The accident happened at lunchtime on Moleworth Street.
She was taken to Derriford Hospital but pronounced dead on arrival.
The main road in Tintagel is closed while police collision investigators carry out enquiries.
Motorists are being advised there will be disruption for a considerable time.
There are delays of up to 20 minutes on the A303 in in both directions between A30 (Upottery) and A358 / B3168 Station Road (Southfields Roundabout, Ilminster).
The road is closed due to a serious accident. Two vehicles were involved.
Air ambulance attended the scene. One person was airlifted to Frenchay Hospital in Bristol. Police say the person is seriously injured.
At least one person has been seriously injured in a multi-vehicle accident on the A38 in Plymouth. It happend on the Exeter bound carriageway of the A38 between Manadon and Marsh Mills. Police say there were freezing conditions in the area at the time.
A man is being treated at Derriford Hospital and is said to be in a critical condition.
There were a total of five collisions, involving ten vehicles. The road is expected to be closed until 1300 hours.
The A386 Abbey Place in Tavistock is blocked both ways due to accident. It involves a lorry and fallen power cables between Abbey Place and the A390 at Armada Roundabout. The police have set up diversions.
There has been a serious accident involving a motorbike and a car at Warmwell near Dorchester in Dorset. The B3390 is closed between the A353/A352 junction and Moreton Road and is likely to remain so for some time.
There have been two serious separate accidents in Devon and Dorset.
The A386 at Little Torrington in North Devon was closed for more than eight hours after a crash.
Meanwhile two people, including a teenager, were airlifted to hospital after a crash on the B3157 coast road near Abbotsbury.
A rock climber has died after falling from cliffs at a popular climbing spot near Zennor in Cornwall. The man, believed to be Dutch and in his 30s, was airlifted from the rocks at Bosigran yesterday. He later died in hospital.