A cyclist aged in his 40s died after coming off his bike along a road.

The incident occurred in Harefield Road, Rickmansworth, at around 12.30pm on Friday – although it is not yet known why.

Emergency services and passers-by tried to help the man but he died at the scene.

Sergeant William Hood, from the Bedfordshire, Cambridgeshire and Hertfordshire Road Policing Unit, said: “At this early stage it is unclear exactly what has happened to this man and I am appealing for anyone who saw him cycling along the road around the time stated to get in touch as you may have information that can help our investigation.”

Anyone with information is asked to contact Sgt Hood by calling the non-emergency number 101, quoting ISR 347 of February 2.

Or report information online at www.herts.police.uk/report.