In Pennsylvania, a tragic shooting occurred on September 17, 2025, in North Codorus Township, York County. Three police officers were killed and two others were critically wounded while executing a search warrant related to a domestic violence investigation. The assailant was fatally shot by responding police. The incident led to a temporary shelter-in-place order for a nearby school district, which was later lifted with no direct impact on the schools. Pennsylvania Governor Josh Shapiro and other officials have expressed their condolences and emphasized the need for societal improvement to prevent such violence in the future. The FBI and other agencies are supporting the ongoing investigation.