2 Sisters Die in Freak Hammock Accident

In a tragic freak accident, two sisters are dead after the pillar holding the hammock they were laying in collapsed, burying the girls under a mountain of bricks. Their younger sister made a frantic and heartbreaking call to 911 pleading for help as her parents tried to save their daughters. This kind of accident, where one of the hammock supports gives way, is not unprecedented. We spoke with hammock safety experts about how to safely rig up your own hammock. #InsideEdition