Two young drivers remain in hospital after a head-on crash between a car and a van.
The blue Vauxhall Astra, travelling on the A508 near Grafton Regis towards Northampton, crashed with the grey Mercedes Vito van which was travelling in the opposite direction.
The 27-year-old driver of the Astra was taken to University Hospital Coventry where he remains with serious injuries and the 23-year-old driver of the Mercedes van was taken to Milton Keynes Hospital with less serious injuries.
Both of them are from the Milton Keynes area.
It happened at around 12.35am on Saturday and police are asking for witnesses to come forward.
Call Northamptonshire Police’s Drivewatch hotline on 0800 174615 with any information.