Fire fighters were called out early Wednesday morning for a house fire east of Beloit.  The Rock County Emergency Dispatch Center reports the Town of Turtle Fire Department responded to the ten-thousand block of South Clinton Corners Road just after midnight.  More than a dozen agencies assisted in battling the blaze.  The bitter cold was said to be a challenge.  Firefighters were still on scene at 7:00 a.m. according to the Town of Turtle Fire Department.  No one was reported hurt.