An attempted robbery at Glengowrie is being investigated by police.

At about 11pm on Friday, June 8 a man armed with a knife entered the drive-through bottle shop at the Morphett Arms hotel and demanded money.

He was confronted by a security guard, and ran from the scene empty-handed.

A second male pictured below, also ran from the bottle shop when confronted by security.

It is unclear whether the pictured male was involved in the attempted robbery.

No one was injured during the incident.

The man with the knife was wearing a white mask, dark-coloured hooded jumper, blue jeans and white sneakers. He is described as being about 180 centimetres tall, and between 70-75 kilograms.

The second male is described as being aged in his late teens, about 170 centimetres tall, 65-70 kilograms with dark-coloured hair.