The Columbia Borough Police Department is investigating a robbery that occurred at the Columbia Mart located at 890 Lancaster Avenue. A white male entered the store on 11/15/23 at 10:06PM displayed a handgun and demanded money. The male was wearing all black clothing with a camouflage mask. He was last observed walking across Route 462 towards Ninth Street. Anyone with information regarding this incident is encouraged to contact the Columbia Borough Police Department at 717-684-7735 or by texting "LANCS" to 847411.