WATERLOO - A search was underway Friday morning, July 10, 2026, in Monroe County, Ill., for a possible plane crash reported south of Waterloo, with local, state and federal authorities working to determine the aircraft’s last known location.The Monroe County Sheriff’s Department said it received reports of a possible plane crash around 2:30 a.m. Friday. After receiving the report, the sheriff’s department, the Waterloo Fire Department and Monroe County EMS responded to the area...