Thank to Dulé Krivdich for sending in this video of a grizzly bear running towards a group of hikers in Glacier National Park on Sunday afternoon. Here is his story: "Be Bear Aware Folks. This was this afternoon hiking back up after visiting Hidden Lake. Just a switchback below where my wife and I just motored through this big fella, I’d say a 500+ pound grizzly, came through a treeline, down a meadow and swiftly on to the trail itself to get to wherever he wanted to go.