A 56-year-old woman died near Finedon on Friday evening (December 5).
A grey Peugeot 206 being driven by a 27-year-old woman was travelling towards Finedon on the A510 Thrapston Road when it collided with a yellow Suzuki Alto, being driven by the 56-year-old woman, at about 5.10pm.
The woman driving the Suzuki died at the scene.
The Peugeot driver was taken to Kettering General Hospital with serious injuries.
Police don’t yet know why the collision occurred.
Officers want to speak to anyone who witnessed the collision or who may have any information about it. Anyone who can help can call the Drivewatch Hotline on 0800 174615.