A 6-year-old boy and two others fall into waters in a Sioux Falls park . The boy is rescued , but the two others -- one of them his sister -- are n't . Authorities find the sister 's body Friday ; they 're still looking for the man . The youngest of three -- a 6-year-old boy -- was able to escape the frigid waters alive . Comment:
A 6-year-old boy and two others fall into waters in a Sioux Falls park . The boy is rescued , but the two others -- one of them his sister -- are n't . Authorities find the sister 's body Friday ; they 're still looking for the man . Comment: