A patient has been flown to University Hospital Coventry today after a car flipped onto its roof on the M1.
The incident happened on the northbound carriageway between junction 14 and 15 at about 11am when a car and a lorry were in collision, causing the car to flip onto its roof.
All traffic was then stopped by Northamptonshire Police while the air ambulance landed.
One person was taken to Northampton General Hospital by ambulance while another was flown to University Hospital Coventry.
Highways East Midlands has reported that all lanes are now back open.