'Severe' delays on M1 near Northampton after vehicle rolls over

Traffic update
Traffic update

Drivers are being warned of severe delays on the M1 near Northampton after an accident.

The AA has reported: "One lane blocked and very slow traffic due to rolled over vehicle on M1 Northbound from J14 A509 (Milton Keynes) to J15 A45 (Northampton). Lane one (of three) blocked."

There are no details as to the nature of any injuries.