Detectives are investigating an early morning robbery at a service station in Kepnock.
Around 2.30am an offender entered the Boundary Street business and approached the counter during which time a firearm was produced.
They then threatened the male employee before money was stolen from a cash register.
The offender fled on foot and was last seen travelling towards Farthing Street.
They are described as approximately 165cm-170cm tall, proportionate build, wearing a yellow Jake the Dog onesie, full black mask, black Adidas bum bag, black gloves and black shoes.
No one was physically injured and police investigations are continuing.