A cyclist remains in critical condition in hospital after being found on the outskirts of a Norfolk village in an incident that closed the road for four hours.

Eastern Daily Press: An investigation has been launched into how the man came to be found on the bend of Castle Hill Road leading into New Buckenham. Picture: GoogleAn investigation has been launched into how the man came to be found on the bend of Castle Hill Road leading into New Buckenham. Picture: Google (Image: Archant)

A cyclist remains in critical condition in hospital after being found on the outskirts of a Norfolk village in an incident that closed the road for four hours.

Police are investigating the circumstances that left a man lying on the road leading into the village of New Buckenham, close to Attleborough.

Emergency services were called to Castle Hill Road at 11am on Wednesday (February 27) after the man was discovered close to a bicycle. It is believed he may have suffered a cardiac arrest.

Two ambulances, a rapid response vehicle, an ambulance officer vehicle and the East Anglia Air Ambulance attended the scene. Paramedics treated the man at the roadside before he was rushed to hospital where he remains in a critical condition.

An ambulance service spokesman said: 'A cyclist was assessed at the scene and transported by road ambulance to Norfolk and Norwich Hospital in a very serious condition.

Eyewitnesses who were first on the scene have described spending two and a half hours at side of road as the man was given life saving treatment.

The road where the man was discovered is on a hill that winds through sharp bends as it enters the South Norfolk village.

Police have launched an investigation into the circumstances surrounding the incident and said it was currently unclear whether another vehicle was involved.

A police spokesman said: 'We are still trying to establish the circumstances of how the man came to be found in the road. He remains in hospital in a critical condition.

'He was found near to a bicycle and we are trying to discover how he came to fall from it. We don't currently known whether another vehicle was involved or not.'