Avon and Somerset Police have launched an appeal for witnesses following a road traffic collision involving a single vehicle on the A431 Kelston Road near Bath on Monday 30th March.
At 5pm, a black Audi A4 was travelling from Bath towards Kelston, when it failed to negotiate a right-hand bend, clipping a wall and then rolling over.
The driver left the scene in the direction of Bath.
Officers believe there was a motorbike in the area at the time and they are keen to contact the rider, who may have useful information to assist their enquiries into the incident.
Additionally, police would like to hear from anyone who may have dash-cam or mobile phone footage of the incident.
If you have any information which could help, visit www.avonandsomerset.police.uk/contact, or call 101, quoting reference 5220073878.
Alternatively, you can contact Crimestoppers anonymously on 0800 555 111 or report it online using the following link bit.ly/1pwX4Zm, quoting the above reference number.