A lorry caught fire during an earlier incident on the M25 London Orbital in Hertfordshire.
The blaze broke out at around 6.42am today (Wednesday, August 10), between junction 18 and junction 19 of the motorway.
Officers from Herts police and five fire engines from Hertfordshire Fire and Rescue Service attended the blaze on the clockwise carriageway.
Delays of up to 60 minutes were experienced by motorists, with three of four lanes closed on the road.
Disruption has since ended.
The fire was extinguished by around 8.00am, but firefighters remained at the scene.
No injuries were reported as a result of the blaze.
A spokesperson for Hertfordshire Fire and Rescue Service said: "Hertfordshire Fire and Rescue Service was called at 6.42am this morning to reports of a lorry on fire between junctions 18 and 19 on the clockwise carriageway of the M25.
"Five fire engines were sent to the scene, where crews discovered a HGV (Heavy Goods Vehicle) fully on fire on the hard shoulder.
"Firefighters tackled the fire and it was out by around 8.00am.
"Crews remained on scene for another 45 minutes to damp down the scene.
"Nobody was injured in the fire."
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