Four Grizzly Bears Killed After Fatal Attack on Hikers in Canada

• Canadian authorities killed four grizzly bears linked to the deaths of a mother and daughter on a hiking trail in British Columbia.
• Wildlife officials confirmed the bears' involvement through DNA evidence.
• The attack occurred earlier this month in western Canada.
• The bears were a sow and her three cubs, according to authorities.
• The incident is considered a rare predatory attack by grizzly bears.