Police say a bus driver is in hospital with "life changing injuries" after a crash at the weekend.

The Arriva service was involved in a collision with a BMW car in Luton Road near Harpenden at around 4.20pm on Saturday (April 9).

Emergency services rushed to the scene including five fire engines, ambulances, and an air ambulance.

Police say the bus driver, who is in his 60s, has suffered life-changing injuries.

The bus contained 11 passengers who suffered minor injuries, police added.

The 28-year-old car driver, from St Albans, was arrested on suspicion of causing serious injury by dangerous driving and driving while under the influence of drugs.

He has since been released under investigation while enquiries continue.

St Albans & Harpenden Review: Air ambulance at the scene. Credit: Harpenden Fire Station Air ambulance at the scene. Credit: Harpenden Fire Station (Image: Harpenden fire station)

Harpenden Fire station posted on Facebook that the crash happened near the junction with Cooters End Lane and posted photos which showed some of the damage to the bus, as well as the helicopter and firefighters at the scene.

Arriva has confirmed the bus involved was a 321 service heading towards Luton.

Arriva said its thoughts are with their driver and thanked those who helped at the scene.

The company added it is supporting a police investigation into the collision, with Hertfordshire Constabulary issuing a public appeal for information.

Sergeant Justin Smyth, of the Bedfordshire, Cambridgeshire, Hertfordshire Roads Policing Unit, said: "I’d like to hear from anyone who has dash cam footage or who witnessed this incident or events leading up to it.

"I would like to pass on my thanks to local residents near the incident for their assistance at the scene as they helped with triage locations and assisting the injured."

Sgt Smyth can be contacted at justin.smyth@herts.police.uk or call 101 quoting ISR 491 of 9 April.

Alternatively, contact Crimestoppers anonymously on 0800 555 111.