Pile-up causing severe delays heading southbound from Milton Keynes and Luton on M1

Highways England reports smash involving "several vehicles" near to Junction 9
Highways England cameras showed queues on the M1 at 7amHighways England cameras showed queues on the M1 at 7am
Highways England cameras showed queues on the M1 at 7am

Drivers face severe delays heading south on the M1 from Milton Keynes and Luton after a pile-up early on Tuesday morning.

Highways England is reporting a crash involving "several vehicles" which is blocking the outside lane between Junction 10 and Junction 9 for Redbourn.

Sensors showed traffic tailing back six miles at 7am.

A spokesman for the agency said: "Our Traffic Officers are en route to the collision."