A pedestrian was taken to hospital with head injuries after being hit by a car in Rushden.
The Magpas air ambulance rapid response vehicle was called to the incident which took place at about 8.40pm on Saturday in Rectory Road.
A crew from Magpas
Magpas doctor Scott Knapp and Paramedic Ollie Robinson arrived to treat a man who had been injured in the collision.
A spokesman for Magpas said: “The Magpas enhanced medical team assessed the patient who had sustained head injuries.
“They gave the man a general anaesthetic, placing him into a medically induced coma at the scene (providing A&E level care), before accompanying the patient to University Hospital Coventry via land ambulance.
“The man was in a very serious but stable condition upon arrival.”
An EMAS ambulance service paramedic crew and Northamptonshire Police were also in attendance.
A spokesman for Northants Police said: “For reasons yet unknown, a pedestrian was walking in the carriageway and was in collision with a silver Ford Fiesta.”
Anyone with information or who witnessed this incident is asked to call the ‘Drivewatch Hotline’ on 0800 174615.