Police are appealing for witnesses to an assault of a 50-year-old Dundowran Beach man at a Pialba tavern overnight.
A disturbance broke out in the car park of the Boat Harbour Drive business at 10.30, where the 50-year-old man was kicked in the head by another man, causing him to fall and hit his head on the pavement.
The other man fled on foot.
The 50-year-old was transported to the Hervey Bay Hospital for treatment in a critical condition.
Police established a crime scene and investigators would like to speak with the other man involved, or anyone with information regarding his identity.