Police are investigating an armed robbery in Noble Park this morning.

It is believed a man, armed with a box cutter, approached the counter of a business address on Leonard Avenue about 8.50am.

He jumped the counter and grabbed the female store attendant, demanding cash from the till.

An amount of cash was grabbed from the till and the offender fled on foot towards Leonard Avenue.

The victim was uninjured.

The man is believed to be aged in his early 40s with short straight black hair and dark-coloured eyes.

He was wearing a black leather jacket, black pants and sneakers.

Police have released images of a man who may be able to assist them with their enquiries.