There are currently delays on the M25 between South Mimms and London Colney.

https://twitter.com/HighwaysEAST/status/891897863973867524

Two lanes have been closed on the anticlockwise carriageway between Junction 23 and 22 due to a HGV with a ruptured fuel tank.

Speed restrictions are in place, and Highways England has warned motorists to pass with care and plan ahead before using the route.