Detectives are trying to trace a driver who stopped briefly after a crash involving a 14-year-old pedestrian and then drove off.
Police Scotland said the incident happened on Back O'Hill Road, Stirling, at about 15:00 on Sunday.
The pedestrian was taken to Forth Valley Royal Hospital for treatment.
A force spokesperson said the driver of the vehicle, described as possibly a silver 4x4, stopped and then left the scene.
PC Ian Marshall said: "Our inquiries into this incident are ongoing. I would urge the driver, or anyone who may have seen the crash, to come forward.
"In addition, if you have dash-cam that could help with our investigation then please contact us."