Emergency services are currently at the scene of a serious traffic collision in Cranborne Crescent, Potters Bar.
Herts police tweeted out at 9.54am: "We are currently at the scene of a serious road traffic collision in Cranborne Crescent, #PottersBar.
"An air ambulance has also landed at the scene. Road closures are in place and people are asked to please avoid the area at this time."
We will bring you more updates as they come.
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