Lemsford Road in Hatfield has been closed after a lorry and a Jaguar X-Type collided.
Herts police were called to the scene at 12.23pm today (Tuesday, February 13).
Officers, paramedics from the East of England Ambulance Service and firefighters from Hertfordshire Fire and Rescue Service remain at the scene.
One person has sustained a "slight injury" as a result of the crash, and motorists have been advised to avoid the area.
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A spokesperson for Hertfordshire Constabulary said: "It is reported that two vehicles were involved – a lorry and a Jaguar X-Type.
"Officers are at the scene, alongside colleagues from the ambulance and fire service, and road closures remain in place.
"One person has sustained a slight injury."
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