A man was pronounced dead at the scene of a collision in Bushey.
Officers were called at around 7.38am on Friday, February 2 to a collision on the A41 North Western Avenue involving five vehicles.
The vehicles involved were a bronze Vauxhall Astra, a silver Honda Jazz, a silver Chevrolet Orlando, a blue Ford Focus and a white Mercedes GLC.
A man aged in his sixties, who was driving the Vauxhall Astra, was pronounced dead at the scene. His next of kin have been informed and are being supported by officers.
Two other people were taken to hospital for further treatment.
Detective Sergeant Craig Wheeler, from the Road Policing Unit, said: “Our thoughts remain with the man’s family and friends at this sad time.
“Our officers are working to establish the full circumstances of this incident, and we are continuing to appeal for information. If you were driving in the area and saw what happened, or have any dash cam footage that might help our investigation, please contact us. You can email me at Craig.Wheeler@herts.police.uk with any information.”