Delays on M1 in Northamptonshire after crash involving lorry and a car

Drivers using the M1 in Northamptonshire this evening are being warned to expect delays after a crash involving a car and a lorry.
M1 roadworks taken from the bridge at Watford Gap services. NNL-150303-115701001M1 roadworks taken from the bridge at Watford Gap services. NNL-150303-115701001
M1 roadworks taken from the bridge at Watford Gap services. NNL-150303-115701001

One lane of the motorway in a northbound direction was closed earlier this afternoon after the crash.

Northants Fire & Rescue service tweeted that two elderly people were released from a car at 3.25pm following the crash near to Watford Gap services.

All lanes of the motrway have now reopened buot traffic is backed up to junction 15 in Northampton.

Drivers on the A45 near junction 16 are also experiencing delays.