Police are investigating an aggravated robbery which occurred at a BP Service Station on the corner of Main North Road and Hogarth Road last night.
At about 7.25pm a woman entered the store, threatened staff with a knife and demanded money.
She ran off with a small amount of cash.
The suspect is described as being of Caucasian appearance, about 175cm tall, medium build, long dark hair with a large mole above her right lip. The marking could possibly be a piercing or drawn on to depict a mole.
She was wearing a long sleeved black and pink top with white stripes down the arms, sunglasses, a hat and dark pants.
No one was injured.