Motorists are facing delays on the M25 in Hertfordshire following a crash between a car and a motorcyclist.

Highways England tweeted: “one lane (of four) is closed on the M25 anti-clockwise in Hertfordshire between Junction 24 near Potters Bar and Junction 23 for the A1(M) due to a collision involving a car and a motorbike.

“There is over 4.5 miles of slow moving traffic on approach.”