Police are investigating two armed robberies overnight in Brisbane South, Queensland Police say.
At around 12.30am, two men entered a tavern on Sumners Road, one armed with what is believed to be a handgun and threatened staff.
One of the men struck a security guard in the head with the gun, knocking him to the ground while the other took money from the cash register.
Both men left the scene in a white Audi A1.
The security guard was transported to the Ipswich Base Hospital for treatment.
Later, at around 1.40am, two men entered a hotel on Old Cleveland Road, Camp Hill armed with handguns and assaulted two security guards before stealing a sum of cash.
The men then left the scene in a white Audi A1.
The two security guards were treated at the hotel by QAS for minor injuries.
Police would like to speak to two men who may be able to assist with their inquiries into the incidents.
The first man is described as having a slim build, approximately 180cms tall, wearing dark pants, a dark jumper with white stripes down the sleeves and white shoes.
The second man is described as having a proportionate build, approximately 170cms tall, wearing a blue and white patterned jacket and dark pants.
Anyone who may have witnessed any suspicious behaviour at the time of the robberies is urged to contact police.
If you have information for police, contact Policelink on 131 444 or provide information using the online form 24hrs per day.
You can report information about crime anonymously to Crime Stoppers.