Photos of three smiling, blond sisters circulated around the world this year after they were killed on their family farm in west-central Alberta. Some say the tragedy was a catalyst for discussing child safety on farms.

It's a tragedy that shocked and saddened people across the country. Earlier this week, three young sisters from central Alberta died in a tragic farming accident involving a canola truck. Saturday, a huge show of support showed up for the family of the victims.

RCMP said Wednesday that three children had died after an incident at a family-owned farm in central Alberta.