(Clarkfield, MN)  —  The Yellow Medicine County Sheriff’s office says a tree trimmer was electrocuted in Clarkfield Monday.  The man was apparently trimming trees in a lifted bucket around 2:30 p.m. when he made contact with an electrical line.  Power was turned off before first responders rendered aid.  He was taken to the Hennepin County Medical Center via helicopter, but his condition is unknown.