A 31-year-old man was taken to hospital with serious injuries after a crash on a Northamptonshire road last night.
The incident happened on the B4037 near Newnham, Daventry, at about 10pm.
A spokesman for Northamptonshire Police said: “A dark blue Ford Fiesta, driven by a 31-year-old man from Long Buckby, was travelling from Newnham towards the A45 when, for reasons yet unknown, it left the road.
“No other vehicles were involved.”
The man was taken to University Hospital Coventry with serious injuries.
Anyone with information can call the Drivewatch Hotline on 0800 174615 or Northamptonshire Police on 101.