Police are seeking public assistance following an armed robbery at a service station at Bellambi yesterday.

About 1.35am (Tuesday 6 June 2017), a man armed with a knife entered a service station on the corner of Pioneer Road and Rothery Road.

The man threatened the attendant before demanding money.

The man left the service station with an amount of cash and was last seen heading south on Pioneer Road.

The man is described as being of Caucasian appearance, approximately 175cm tall, with a thin build.

He was wearing a black hooded jacket, long grey pants, running shoes and had a black face covering.

No one was injured during the incident and investigations are continuing.