(Stewartville, MN)  --  An 18-month-old child is in critical condition after being pulled from a pond in Stewartville Wednesday afternoon.  The boy was in a medically induced coma at St. Mary's Hospital in Rochester.  Deputies say the toddler was outside being watched by a family friend when he disappeared.  He was found in a retention pond and C-P-R was immediately started at the scene.  Investigators believe he was in the water for five minutes.  The family says he appears to be doing well and that his organs are functioning.  No word on how long he'll be in a coma.