Herts police have confirmed that the cause of a crash involving a bus and multiple cars in St Albans in "currently unknown", after an appeal was launched.

The incident happened around 3.10pm on Thursday, April 4, in Hatfield Road, when a green single-decker bus was travelling east towards Hatfield was involved in a collision with multiple cars

The bus then came to rest after striking a wall, and the driver, a man aged in his 60s, was taken to hospital where he continues to recover from his injuries.

READ MORE: IN PICTURES: Bus driver hospitalised after St Albans crash

Herts Advertiser: Multiple cars were also involved.Multiple cars were also involved. (Image: Toby Shepheard/Story Picture Agency)

Police said the reasons for the crash were "currently unknown", as they tried to establish the cause of the incident.

"Our enquiries continue as we work to establish the full circumstances around this collision," said Sergeant Matthew O’Neill, from the Bedfordshire, Cambridgeshire and Hertfordshire Road Policing Unit.

"If you were driving in the area at the time and have a dash cam fitted, please check it as you may have recorded some crucial footage. Additionally, if you saw what happened, you can email me at matthew.o’neill@herts.police.uk.

READ MORE: Bus driver taken to hospital after multi-vehicle crash in St Albans

Herts Advertiser:

"We are particularly keen to hear from any passengers who were travelling on the bus and left the scene before police arrived, as they may have important information to help progress our investigation."

You can report information online at herts.police.uk/report, via online web chat at herts.police.uk/contact, or by calling the non-emergency number 101, quoting ISR 430 of 4 April, 2024.

Alternatively, contact Crimestoppers anonymously on 0800 555 111 or online at crimestoppers-uk.org.