An investigation is underway after police said a person was stabbed to death in Upper Darby, Pennsylvania. The Upper Darby Police Department shared in a social media post that on Tuesday, December 23, 2025, officers responded to a stabbing at a home on the 200 block of South Bishop Avenue. Upon arrival, police said a 23-year-old had been found with multiple stab wounds and was pronounced dead. One person was taken into custody at the scene. “This was an isolated incident, and there is no threat to the community,” police wrote. ...read more read less