Police are investigating the serious assault of a man in Mackay overnight.
At 1.45am, emergency services were called to a Macalister Street address following reports of a physical disturbance.
On arrival, a 60-year-old man was located with serious head wounds. He was transported to the Mackay Base Hospital where he remains in a critical condition.
A 32-year-old man was is assisting police with their inquiries.
A crime scene has been declared at the address while detectives investigate the circumstances surrounding the assault.
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.
Report crime information anonymously via Crime Stoppers. Call 1800 333 000 or report online at www.crimestoppersqld.com.au.