Road Policing officers in Perthshire are appealing for information following a one-car crash on the B846 near Dull.
The incident happened around 11.45am on Wednesday, 7 June, 2023.
The 27-year-old male driver and the 19-year-old male passenger were taken to Ninewells Hospital in Dundee for treatment.
Police Constable Mathew Ross said: “Our enquiries are ongoing to establish the full circumstances of this crash.
“I am particularly keen to trace a large black vehicle seen in the area around the time of the crash.
“Anyone who witnessed the crash or has dash cam footage is asked to contact Police Scotland on 101, quoting reference 1393 of 7 June, 2023.”