A cyclist has been left in critical condition after a collision with a car last night between Stevenage and Knebworth.

A man, in his 50s, was airlifted to Addenbrooke’s Hospital after colliding with a white Mercedes Sprinter van on the B197.

He suffered head and chest injuries in the crash and is in a critical but stable condition, according to police.

Emergency services were called to the scene of the collision on Stevenage Road at about 6pm.

The pair were both heading away from Stevenage and the driver of the van, a man in his 20s, was not injured.

Police have now launched an appeal for more information.

Investigating officer PC Matthew Bill is appealing for information from anyone who saw what happened.

If you can assist please call the Herts Police non-emergency number 101 quoting ISR 480 of January 5.