Police have declared a crime scene following a serious assault at Morayfield this morning, July 13.
Emergency services were called at approximately 12.15am to reports of a disturbance involving multiple people at a unit complex along Firetail Court.
Upon arrival, a 16-year-old boy was located with stab wounds.
He was transported to the Royal Brisbane and Women's Hospital in a serious condition.
A 19-year-old man and a 21-year-old man also received non-life-threatening injuries.
Police are appealing for witnesses, or anyone with relevant vision, to immediately come forward.
Investigations are continuing.
If you have information for police, contact Policelink by providing information using the online suspicious activity form 24hrs per day at www.police.qld.gov.au/reporting or call 131 444.
Report crime information anonymously via Crime Stoppers. Call 1800 333 000 or report online at www.crimestoppersqld.com.au.