A 15-year-old motorbike passenger was taken to hospital after a crash with a car in Dundee.
Emergency services were called to Rankine Street after a crash involving a car and a motorbike shortly before 6pm on Sunday.
A male youth, who was the passenger on the bike, was taken to Ninewells Hospital by ambulance.
The extent of his injuries have not been confirmed.
The motorcycle rider left the scene.
Chief Inspector Colin Echevarria said: “Our enquiries into this incident are ongoing and I would ask that anyone who witnessed the motorcycle driving in a dangerous manner prior to the crash to please get in touch.
“We would also ask to review any CCTV or dashcam footage from anyone who was in the area at the time of the crash.”
Anyone with information can contact Police Scotland via 101 quoting reference 2809 of 23 June.
Alternatively, information can be given to Crimestoppers anonymously by calling 0800 555 111