Crash investigators are appealing for witnesses to a serious traffic crash involving a motorcycle in McDowall this morning to come forward, Queensland Police say.
Initial information indicates around 7.50am the motorcycle was being ridden on Paramount Circuit when it left the roadway before striking a tree.
The rider, a 23-year-old man and his 22-year-old male passenger were transported to hospital with serious injuries.
The Forensic Crash Unit is urging anyone who may have been in the vicinity and saw the incident or has any vision such as dashcam footage or CCTV to contact Policelink on 131 444.
If you have information for police, contact Policelink on 131 444 or provide information using the online form 24hrs per day.
You can report information about crime anonymously to Crime Stoppers.