A man suffered a cardiac arrest before crashing into a Welwyn Garden City town centre lamppost this afternoon.
Police have closed Bridge Road to attend to the incident after they were called at around 4pm today.
Officers remain at the scene, with the ambulance service, an air ambulance and Herts County's Council Highways department all called.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here