CASS LAKE, MN (KDAL) - A 27 year old mother and her two children were killed and the father is in critical condition after a single vehicle accident on Saturday near Cass Lake.  The Minnesota State Patrol says the family was from Foxworth, Mississippi and the accident occurred on Highway 2, 9 miles east of Cass Lake.  The highway was icy and slippery at the time.  The victims were identified as Catherine, Jeremiah and Emma Statham.