A female petrol station attendant was held up by a man brandishing a knife in Gore early this morning.
Senior Sergeant Richard McPhail, of Gore, said the man entered the Z service station on Hokonui Dr shortly after 7am, and threatened the lone female attendant with a knife.
The man was disturbed by another customers, and he ran off with an undisclosed sum of cash.
Snr Sgt McPhail said the man was found a short time later by a police patrol in a reserve near Ardwick St.
Police have also found the cash and knife.
The attendant was shaken but unhurt.
The station remains closed while a scene examination is being completed.
A 20-year-old male will appear in the Invercargill District Court, on a charge of aggravated robbery.