newsstorynow- grizzly bear sow with a cub attacked a group of teenagers on a month-long survival-skills course Saturday night in the Talkeetna Mountains, causing severe injuries to two of the hikers, according to Alaska State Troopers.The bear pounced as the seven hikers were crossing a creek about 8:30 p.m. Saturday, troopers spokeswoman Megan Peters said.
Two of the teenagers suffered life-threatening injuries, and the other five were also injured, either by the bear or from exposure,