Our live feed has now finished.
- All lanes are now reopened after the crash on the clockwise M25
- The crash occurred between J18 near Amersham and J19 near Watford.
- Police and national highways are at the scene.
- There were delays of 30 minutes and six miles of congestion.
- Please send any information or pictures to fintan.mcguinness@newsquest.co.uk
- Follow our live blog for updates.
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