Police are investigating an armed robbery of a service station at Helensvale in the early hours of this morning.
Around 4am a man with his face concealed entered the Discovery Drive premises and produced a machete and an adjustable wrench making demands for money from the female employee.
The 44-year-old employee fled into a back room and the front automated doors have shut locking the offender inside the premises.
The offender grabbed some food goods and ran towards the doors where he used the implements to smash the glass door.
The offender fled in a westerly direction without obtaining money.
The offender was wearing a black hoodies, black jeans and black shoes.
Investigations are continuing.
Anyone with information which could assist with this matter should contact Crime Stoppers anonymously via 1800 333 000 or crimestoppers.com.au 24hrs a day.
Crime Stoppers is a registered charity and community volunteer organisation working in partnership with the Queensland Police Service.
For all non-urgent police reporting or general police inquiries contact Policelink on 131 444 or Policelink.qld.gov.au 24hrs a day.