(St. Paul, MN)  —  A Twin Cities family is struggling after a young father and two of his children were killed in a crash.  Authorities say 28-year-old Lee Vang crossed the median on Bunker Lake Boulevard Sunday and crashed into a truck.  He was killed in the crash, along with his three-year-old daughter Astrid, and six-month-old son Levi.  Lee’s seven-year-old daughter Kyrie remains in critical condition and his wife Rhodia broke her arm.  Relatives are facing thousands in funeral expenses and medical bills.  St. Paul-based Hmong 18 Council is helping the family speak publicly about the crash.