Terrifying moment 300kg grizzly bear circles hiker walking her dog before charging at brave woman screaming ‘get away’

THIS is the terrifying moment a 300kg grizzly bear circles a hiker as she walks her dog. Horrifying footage shows the huge beast charging at the woman and her pooch in a dramatic stand off, as she yells "get away". The woman was out walking her dog in Alberta, Canada, when the predator approached.…