The M25 has closed this morning after a “horror crash” stopped all traffic in both directions. Accident investigation work is underway after the crash is believed to have involved a car and a van. The incident has been described by police as a “serious road traffic collision.” Accident investigation work is currently taking place between J21A for the A405 North Orbital Road (St Albans) and J22 A1081 (St Albans / London Colney). Disruption is expected throughout the morning in both directions. Hertfordshire Police told The Metro: “The M25 is currently closed between junctions 22 ( London Colney…