The death of an employee at the Renault Formula One team's west Oxfordshire headquarters is being investigated by police.

Police have released no information about their investigation and would not comment tonight on reports that a firearm was involved in yesterday's incident, which happened at around 11am.

Paramedics were called to the plant in Whiteways Technical Centre near Enstone at about 11.20am.

An ambulance service spokesman said the man was pronounced dead at the scene.

A police spokesman would only confirm that officers were called to the centre.

A security officer at Renault's Enstone plant, which employs 500 people, refused to comment about the tragedy tonight.