A shooting occurred at a Walmart in Glenolden, Pennsylvania, during an argument between two customers. The incident resulted in an employee being shot in the leg. Police are actively searching for the gunman who opened fire inside the store, prompting a significant police presence in the area. Witnesses reported the chaos, with many ducking for cover as the gunfire erupted. Authorities are urging anyone with information to come forward as they continue their investigation into the shooting.