A filling station on the O’Neill Road in Newtownabbey has been robbed.
It happened at approximately 9pm on Tuesday, August 8.
A man entered the shop and selected a number of items which he then brought to the till, according to police.
As the shop assistant opened the till, the man proceeded to take a hammer out of his right hand pocket before threatening the staff member to put money from the till into a bag
The suspect is described as approximately six feet tall, of slim build, and he was wearing dark clothing and carrying a backpack.
He left the store in the direction of the Rathcoole estate.
Detective Sergeant McDowell said an investigation is underway and police are appealing to anyone who was in the area or the shop at the time the robbery took place or who may have captured mobile phone or dash cam footage to contact 101, quoting reference number 1956 08/08/23.
A report can be submitted online using the non-emergency reporting form via http://www.psni.police.uk/makeareport/ or you can also contact Crimestoppers anonymously on 0800 555 111 or online at http://crimestoppers-uk.org/.