UNITED KINGDOM, London 09/03/2024: Multiple ambulances are seen attending a major collision on the M25 this morning, Saturday, counterclockwise between J21 & J22 London Colney. Herts Police have advised motorists to avoid the area. Credit: Toby Shepherd / Story Picture Agency

Multiple ambulances are seen attending a major collision on the M25 this morning (Picture: Toby Shepherd / Story Picture Agency)

A portion of the M25 has been shut down today after a horror crash brought traffic to a standstill.

Herts police confirmed the temporary closure of Junctions 21 and 22 this morning following a ‘serious’ two-car collision.

Motorists have been advised to avoid the area and seek an alternative route.

According to National Highways the road is expected to fully clear between around 1pm and 1.15pm, and normal traffic is expected to resume from that time.

This is a developing news story, more to follow soon… Check back shortly for further updates.

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