Drivers on the M25 are facing gridlocked traffic following a rush hour crash.
The anticlockwise carriageway is partially blocked after an accident at J21A (St Albans) this evening.
Traffic indicator Inrix says there are "severe" delays along both carriageways, with tailbacks to junction 23.
For all the latest updates, follow our live blog below.
You may also like
Prince Harry plotting major UK return within months - as the King is delighted
I lived in 3 Spanish towns - one little-known gem ranks among the 'cleanest' in Europe
Brits challenged to find hidden fruit hiding in messy kitchen brainteaser
Tides turning for a Maruti moment: Domestic order of 100+ vessels needed to spark a shipbuilding wave
Trump's targeting of Soros Foundations sparks fear and defiance on left
