UTICA, Minn. – A father and son working on a grain bin on their farm fell 20 feet from a ladder. Wind was to blame, said deputies. The father, age 45, was flown by helicopter to a Rochester hospital with hip pain. The son, age 21, was taken by a land ambulance. This was about 3:30 p.m. on U.S. Highway 14 west of Utica.