Police would like to speak to anyone who witnessed a collision involving a silver BMW and an orange scrambler motorbike in Brockworth yesterday.
Emergency services were called to the scene of the incident on Ermin Park at around 12.05pm.
The motorcyclist, a 19 year-old man, who sustained serious injuries, was taken to Gloucestershire Royal Hospital and later transferred to Southmead Hospital in Bristol where he is said to be in a stable condition.
Officers would particularly like to hear from anyone who may have any dashcam footage of the incident or may have seen the bike prior to the collision.
You can provide information to police online by completing the following form and quoting incident 176 of 5 November: https://www.gloucestershire.police.uk/tua/tell-us-about/cor/tell-us-about-existing-case-report/