Emergency services remain at scene of two lorry crash in Hemel
Herts police was first alerted to an incident on the A414 in Hemel Hempstead at around 11.18am today. 
"We ask that motorists please avoid the area at this time and seek alternative routes."
Herts Fire & Rescue said one appliance was dispatched from Hemel Hempstead, where on arrival crews found a lorry on its side and another lorry and car in collision.
A spokesperson added: "No persons were trapped, and we assisted with stabilising the vehicles and providing scene safety."