Kuhl Hose was dispatched to assist Wattsburg on Macedonia Rd for a structure fire.  683, 686, & 687 responded.  Chief 171 arrived on the scene and reported a fully involved structure fire, with no one around.  Crews on arrival worked to contain the fire with several hand lines.  The State Police Fire Marshal was requested to the scene due to the suspicious nature of the fire.  Wattsburg was assisted by Kuhl Hose, Greenfield, Elgin Beaver Dam, and Clymer NY Fire Departments.