The M25 will be closed between junctions 17 and 16 tonight.

The Highways Agency will be working on the over-head power lines between Junction 17 (Maple Cross) and Junction 16 (Uxbridge) on the anti-clockwise carriageway.

The road will be closed between 10pm and 4am.

Diversions have been set up and motorists will be taken via the A412, A40 and the M40.