Police are appealing for information following a collision between a motorcycle and a car which left two people injured.
The collision, involving a grey Yamaha MT motorcycle and a grey Range Rover Evoque, happened on Matlock Road at its junction with High Lane in Walton, Chesterfield, at about 5.20pm on Friday 11 September.
The motorcycle rider, a 37-year-old man, and his pillion passenger, a 20-year-old woman, were both injured.
Officers investigating the incident are appealing for witnesses to come forward.
An Audi was being driven close to the scene around the time of the collision, and officers are keen to trace its driver. The driver, or anyone who knows their identity, is asked to contact police.
Officers would also like to hear from motorists who may have dashcam footage of the incident and have not yet spoken to them.
Anyone with information is asked to contact Derbyshire Constabulary, quoting incident number 26*546791, using one of the following methods:
Information can also be provided anonymously to the independent charity Crimestoppers by calling 0800 555 111 or visiting the Crimestoppers website.