An 80-year-old woman is believed to have been critically injured in a collision involving a Tesco delivery vehicle in Jersey Farm shortly before 11am this morning (Monday).

Herts Advertiser: Emergency services have been attending the scene of the collision in Jersey FarmEmergency services have been attending the scene of the collision in Jersey Farm (Image: Archant)

The accident occurred at the junction of Twyford Road and Sandringham Crescent, close to St Brelade’s Place, where the vehicle is thought to have been reversing into a service area.

An air ambulance has just arrived at the scene.

More follows.