A 36-year-old man has been charged with murder after allegedly attacking several people at Childers, south of Bundaberg.
Police allege one of the people, a 78-year-old North Isis man, was beaten with a metal pole and died at the scene.
On Wednesday at 2:38pm, the Bundaberg West man is alleged to have driven on Whitebridge Road, North Isis, where he exited his car and punched the man, a pedestrian, in the head before hitting him with a metal pole.
The pedestrian sustained critical injuries and died at the scene.
Police have declared three crime scenes in Childers, 300 km north of Brisbane.
A short time earlier, about 2:30pm, police allege the man was driving a Subaru Liberty on North Street, Childers, when he allegedly reversed into a Mitsubishi Pajero, deliberately crashing the cars.
Police say the Mitsubishi driver, a 65-year-old Howard man, exited his car before the Subaru driver allegedly reversed into him, got out of the car, then allegedly punched him several times before leaving the scene.
A crime scene has been declared at Whitebridge Road in North Isis. (ABC Wide Bay: Nikki Sorbello)
Police allege the man also drove to Crescent Street at the intersection of Lord Street in Childers and assaulted a 66-year-old man.
Police allege the man was involved in multiple traffic crashes. (ABC Wide Bay: Nikki Sorbello)
The man was restrained by members of the public and arrested by officers a short time later, police say.
Earlier on Wednesday, about 1:45 pm, police also allege the man was involved in another crash on the Bruce Highway at Glenorchy, about 70km south of Childers.
Police allege the man deliberately reversed into a Tesla before verbally abusing the Tesla driver and driving off.
Police say the alleged victims were not known to the man. (ABC Wide Bay: Nikki Sorbello)
None of the people attacked were believed to be known to the man, police said.
The 36-year-old has been charged with one count of murder, one of attempt to murder, acts intended to maim/disfigure/disable, dangerous operation of a vehicle and evasion.
He will appear at Gladstone Magistrates Court via video link on Thursday.