At about 11.50am today, a man armed with a knife entered the Mini Mart on Peachey Road, and allegedly threatened staff and demanded money.

He fled with an amount of cash, and was last seen running south towards Crittenden Road.

The man is described as being 25-30 years old, 75-80 kilograms, medium build with a tanned complexion, he had a close-cropped full beard, and was wearing double stripe pants, black boots and a black hooded jumper with a distinctive red ‘Nike’ logo in very large print across the front.

He also allegedly used a purple bandana to disguise his face.

Anyone who may have seen a man matching this description is asked to call Crime Stoppers on 1800 333 000, or online at www.sa.crimestoppers.com.au

Information can be given anonymously.