A serious collision has led to the closure of a significant stretch of the M25 in Hertfordshire, resulting in extensive traffic delays on the motorway tonight.
The closure affects the anti-clockwise lanes between junction 23 (A1M, South Mimms) and junction 22 (St Albans), according to National Highways.
Emergency services, including Hertfordshire Police, are on-site, with National Highways Traffic Officers assisting in managing the traffic flow.
Drivers are advised to anticipate delays as the closure remains in place between South Mimms and St Albans on the M25 in Hertfordshire due to the serious collision.
