Three young men who witnessed the fatal crash on the M5 yesterday have told ITV the scene was 'horrific' as they tried to provide first aid.

Four people died after a lorry crashed through the central reservation between Junction 14 and and Junction 15.

Three people - a woman and two children - remain in hospital with life threatening injuries.

Jasper Foxx, Daniel Stevenson and Stephen Dibley were returning home to Stoke Gifford from Cheltenham when they saw the crash. They - along with a number of other drivers - decided to offer their assistance: