Accident on M1 near Northampton results in lane closures amid reports of person trapped in vehicle
A person is reportedly trapped in their vehicle following an accident between two junctions of the M1 just outside Northampton.
First reported at 3.45pm, the accident - which saw a vehicle overturn - happened in the construction area northbound on the motorway between J15 A508 and J15A A43.
Traffic is slow moving with lanes one and two closed.
The cause of the accident is not yet known.