A collision on the M25 by Potters Bar this morning is causing delays for drivers.
The incident happened between M25 junctions 24 and 23, near Potters Bar but towards St Albans on the anti-clockwise carriage.
There is one lane currently closed and traffic is at a standstill all the way back to junction 25.
Highways England estimate that normal driving conditions will return by 9.15am.
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