Three people, including a young boy, have been seriously injured in a crash in the Scenic Rim.
Emergency services were called to Boonah Fassifern Road on the Cunningham Highway near Aratula at about 11:30am after reports of a collision between a car and a truck.
A primary-school-aged boy has been taken by ambulance to the Queensland Children's Hospital in a potentially life-threatening condition.
A man in his 20s has been airlifted to Princess Alexandra Hospital with potentially life-threatening chest, abdominal, pelvic and limb injuries.
The Cunningham Highway is closed in both directions near the scene of the crash, with motorists urged to avoid the area if possible.
Investigations are underway into the cause of the crash.