LANCASTER – Lancaster Police are investigating a stabbing. Officers responded May 30 around 9:30 p.m. to the 400 block of S. Duke Street and found a stabbing victim, who was transported to a treatment facility and is in serious condition. Police do not have anyone in custody related to the investigation which is active and ongoing. Anyone with information related to the incident is asked to contact Lancaster Police Detective Sergeant Ginder at 717-735-3345.