Police are investigating an armed robbery that occurred at a service station in Tivoli this afternoon.

Initial information suggests around 3.10pm a man entered the business on Mount Crosby Road armed with a knife and demanded money from the console operator.

The staff member complied and the man fled the scene with a sum of cash.

No one was injured as a result of the incident.

Police, the dog squad and POLAIR 2 conducted a search of the surrounding area however were unable to locate the man.

He is described as Caucasian in appearance and was wearing a full face mask with a skull design, a red cap and a black button up shirt with cream trousers.