Officers are appealing for help identifying the person pictured after a child was left with serious injuries following a collision with a motorcycle on a Derby park.

The incident occurred at around 6.30pm on 28 July on Osmaston Park and saw a 12-year-old boy suffer serious injuries to his leg.

The person pictured (a photo of which can be seen here) was seen in the area at the time and officers are keen to speak to them.

Anyone with any information about their identity is asked to contact the force using any of the below methods, including reference 22*436465: 

You can also anonymously contact the independent charity Crimestoppers, on 0800 555 111, or by visiting the CrimeStoppers website.