A thief threatened a shop worker with a knife during an attempted robbery at a convenience store in Aberdeen.

The incident happened at Premier Stores on Union Street shortly after 2.30am on Wednesday, May 3.

Nobody was hurt with the man escaping from the store empty-handed.

He is described as wearing a black waist-length jacket which had its hood up, a brown scarf, blue/grey jeans and blue trainers.

Police Scotland detective inspector Allen Shaw said: "I would like to stress that no one was hurt during this incident and nothing taken, however the shop worker involved was obviously shaken by what happened.

"A number of people who were in the area at the time have assisted with our inquiries so far and we are following positive lines of inquiry, however, I would urge anyone else with information to please get in touch.

"You can contact Police on 101 or Crimestoppers on 0800 555111 if you would prefer to remain anonymous."