A 29-year-old Warwick man was charged with murder on Thurday morning.
The man was taken into custody after police were called to “a disturbance” in Warwick on Wednesday evening.
Officers found a 54-year-old man with a serious head wound when they arrived at Hope Street about 6pm.
He was pronounced dead at the scene and the 29-year-old man was taken into custody.
The ABC identified the victim as local man Mark Ireland.
Acting Detective Superintendent David Briese told the national broadcaster there were a number of people at a house before an argument broke out, which led to a "physical altercation".
"They're definitely known to each other," he said.
"They had spent part of the day together at the home, what their actual relationship is I don't know.
"We will be alleging it was a long-bladed weapon that was used to inflict those injuries … it's something like a knife."