Officers investigating a serious collision on the A52 in Derby are appealing for witnesses and dashcam footage.
The incident, involving two blue BMWs, occurred on the eastbound carriageway of Brian Clough Way between Pentagon Island and Wyvern Way at around 8pm on Sunday 3 August.
One man suffered serious injuries and was taken to hospital where he remains.
Two men, aged 17 and 22, have been arrested on suspicion of causing serious injury by dangerous driving.
We are keen to speak to anyone who was in the area at the time, travelling on either the east or westbound carriage, who may have witnessed the collision or have dashcam footage.
If you can help with the investigation contact Derbyshire Police on 101 quoting the reference 25000455366.
