A masked man allegedly wearing a yellow onesie has held up the United Service Station on Boundary Street early this morning. The offender is still at large after a dog squad lost his scent around Farthing Street. Police allege he threatened the attendent with a gun at around 2:30. It's alleged the accused, who's about 153 centimeters tall, fled with a sum of cash. It's the third time the servo's been robbed this year. Investigations are continueing.