Four people have died after a lorry collided with a number of vehicles and two pedestrians near the bottom of Lansdown Lane in Bath earlier this afternoon.
The road has been closed between the High Street and Deanhill Lane, at the roundabout at the bottom of Lansdown Lane.
The collision happened just after 4pm.
A tipper truck carrying aggregate was in collision with a number of vehicles and two pedestrians after it careered out of control down the hill.
Early witness accounts suggest that the driver was trying to avert an accident.
Four people have died at the scene and several people have been injured.
Casualties are being taken to the Royal United Hospital in Bath and Southmead Hospital in Bristol.
Police are working with South Western Ambulance Service and Avon Fire and Rescue Service.
The area is closed off to allow for investigative work to take place.
South Western Ambulance Service sent five ambulances, three paramedics in rapid-response vehicles (RRVs), two air ambulances, a BASICS doctor and their Hazardous Area Response Team (HART) to the scene.
The two air ambulances landed at Weston All Saints Primary School. Police are currently diverting traffic away from the area.
6.48pm update: Weston All Saints Primary School will be closed tomorrow (10/2/15) at the request of Avon and Somerset Police.
7.30pm update: South Western Ambulance Service say the patient taken by the Great Western Air Ambulance to Southmead Hospital is in a critical condition.