Police suspect a wooden log was deliberately placed onto a road before a teenage motorbike rider crashed into it, causing him to be thrown from his bike.
They are now calling for information about suspicious activity in the area at the time.
The 17-year-old motorbike rider was driving on Mirrabei Drive in Ngunnawal on Wednesday night (8 January), an ACT Policing spokesperson said.
The rider then crashed into a large wooden log that was lying across the northbound lane of the road and was thrown from his motorbike.
Police and emergency services responded to the incident at about 10:30 pm and the rider was taken to hospital with non-life-threatening injuries.
“Police observed the log on the roadway and suspect it was placed there deliberately,” the police spokesperson said.
If you saw suspicious activity on Mirrabei Drive before 10:30 pm on Wednesday evening, or have dash-cam footage from the area, contact Crime Stoppers on 1800 333 000 or via the Crime Stoppers ACT website. Quote reference number 7947395.