Police, fire and ambulance services were called to a collision involving three vehicles on the A5 between Flamstead and Markyate.

The crash took place near Junction 9 at around 1.47pm today, and involved a silver Vauxhall Astra, a white Ford Focus and a green Land Rover Freelander.

One person sustained a slight head injury and the ambulance service was called.

A crew from Harpenden Fire Station also attended following reports that smoke was coming from one of the cars. The crew made the scene safe and helped to administer first aid.