What the M25 near Junction 24 looks like currently. Picture: motorwaycameras.co.uk (Image: Archant)
A road traffic collision between M25 anti-clockwise Junctions 24 and 23, by Potters Bar and South Mimms, is causing long delays.
A lorry was involved in the accident that has caused three out of four lanes to close.
A separate incident involving a fuel spillage at Junction 24 for the A111, Stagg Hill, is also causing additional delays.
Normal traffic conditions are expected to return around 1pm.
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