AN 11-year-old boy has died following a serious crash between a car and a lorry on the A303 in Wiltshire. 

At around 7.30pm on Saturday, July 8 a black BMW travelling westbound from the Countess Roundabout towards Stonehenge was involved in a crash with a lorry parked in a layby.

An 11-year-old boy from London was declared dead at the scene.

The driver of the car, a man in his 40s, and a passenger, a 15-year-old boy, both from London, suffered potentially life-changing injuries and have been taken to Southampton General Hospital.

The driver of the lorry was uninjured.

READ MORE: Part of A303 in Wiltshire closed after crash between heavy goods vehicle and car

A/Insp Will Ayres of the Roads Policing Unit said: “This is a tragic incident where a young boy has lost his life and two more people are in a serious condition in hospital.

“Their next of kin have been informed and are being supported by specially trained officers. Our thoughts are with them at this very difficult time.

“I would urge anyone who witnessed anything to please get in touch with us.”

Any witnesses to the collision or anyone who may have dash cam footage are asked to contact the serious collision investigation team on 01225 694597 quoting log number 289 and the incident date.

A spokesperson for Dorset and Wiltshire Fire and Rescue Service added: "We were called at 7:37pm on Saturday (8 July) with reports of a road traffic collision on the A303 Amesbury Bypass. Crews from Amesbury and Salisbury were mobilised along with appliances from Andover and Basingstoke (Hampshire & IOW FRS).

"On arrival, crews found one private vehicle and one HGV involved. Firefighters assisted police and ambulance service with the extrication of three casualties, the stop message came through at 9:45pm and we closed the incident just after 2am on Sunday (9 July)."

Alternatively, they can contact the team directly at SCIT@wiltshire.police.uk.