Grove Plaza in Roanoke County. Two suitcases were left next to a pump. Police brought in K-9s as part of the investigation. No explosives were found though, just clothes and personal items. Investigators think they were left there on accident. Roanoke County investigators have had their hands full with suspicious packages recently. Over the course of three days back in April, two suspicious packages were left at Brookside Plaza. Neither package had anything dangerous inside.