The M25 has reopened after being closed when a lorry crash spilled fuel on the road surface.
The HGV left the road on the anticlockwise carriageway between junctions 22 for London Colney and 21A with the A405.
Images shared by police officers show debris littered across the carriageway.
Read more: M25 closed after lorry crash
Police warned the road would be closed for "some significant time".
Hertfordshire Fire & Rescue was called shortly after 8.30pm, sending two crews from St Albans. Paramedics also attended.
The lorry struck both a bridge column and a barrier and ruptured its fuel tank, causing a large amount of fuel to leak onto the motorway.
The fire service says there are no reports of any casualties.
There is a diversion via the A414 North Orbital Road via St Albans.
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