Police hunt BMW occupants who fled crash scene on A14 in Northamptonshire
Seriously injured man rushed to hospital after smash which shut road for 11 hours
And they revealed crash investigators are hunting for a number of people who fled the scene of the smash on Friday night (July 16).
The crash happened at about 8.45pm and involved a white BMW and Peugeot 206 between junction 2 at Kelmarsh and junction 3 for Rothwell.
Northamptonshire Police last night (Saturday) confirmed a man sustained serious injuries in the crash and was taken to University Hospital Coventry where he remains in a serious condition.
A spokesman for the force Serious Collision Investigation Unit added: "Soon after the collision, a number of people who had been travelling in the BMW fled the scene.
"Police would like to hear from anybody who saw them leave the vehicle or may have seen them soon after, or who witnessed any suspicious activity in the area.
"Anybody with any information or dashcam footage from before, during or after the incident is asked to get in touch via the Drivewatch hotline on 0800 174615. Information can also be provided anonymously by calling Crimestoppers on 0800 555111."
The 4½-mile stretch of carriageway remained closed until 8am while investigation and recovery work was carried out.