The bad seeds - PARENTS' 'WORST NIGHTMARE': Three sisters, ages 11 and 13, killed after being buried alive in canola seeds on family farm - Catie Bott, 13, and her twin sisters, Dara Bott and Jana bott, 11, were killed

Catie Bott, 13, and her twin sisters, Dara Bott and Jana bott, 11, were killed after being smothered by the grain at their Alberta family farm.

A Canadian farming family is in mourning after three of their little girls were killed after being buried alive in a truckload of canola seeds.

The incredible tragedy claimed the lives of 13-year-old Catie Bott and her twin sisters, Dara and Jana, 11, at their Alberta home on Tuesday, the Calgary Sun reported.

Family members and neighbors managed to free the girls and perform CPR. Two of the girls could not be immediately saved while the third was flown to a children's hospital where she died from her injuries on Wednesday afternoon.

"Our kids died living life on the farm, it is a family farm. We do not regret raising and involving our kids Catie, age 13 — Dara, age 11, and Jana, age 11 on our farm. It was our life! (sic)" the children's heartbroken parents said in a statement.

"Thank you for all of the overwhelming support we have received from the first responders, neighbors and friends. We would ask the media to respect our privacy at this time of grief."

CLICK FOR MORE