A robber who allegedly threated a dairy worker with a knife left the Tokoroa store empty handed.
Police are investigating reports of an aggravated robbery at the Bridhe St dairy at 10pm.
A police spokesperson says police were called when a man entered the store and threatened a staff member with a knife.
The man is believed to have fled on foot.
Police are carrying out a scene examination if the store this morning.
Anyone with information should call Tokoroa police on 07 885 0100.
Alternatively, information can be left anonymously via the Crimestoppers 0800 555 111 line.