(Williamsburg, IA) -- Fire crews were called to an unusual assignment this (Monday) morning in Williamsburg, Iowa. A wind turbine near the 17-hundred block of 230th Street, south of I-80 caught fire just after 12:30 a.m. Iowa's News Now reports when crews arrived the head of the turbine was fully engulfed in flames. Some debris fell from the turbine to the field below, starting a field fire. There were no injuries.