B.C. Conservation Officer Service says there is no ongoing threat to other backcountry users after a grizzly bear attack near Pemberton.Conservation officers responded to a report of a grizzly bear attack Sunday evening in the backcountry area of the Rutherford Creek drainage, a Facebook post from the service says.B.C. Conservation Officer Service said the investigation determined the attack was “defensive in nature” and was the result of a “close-range surprise encounter.&rdqu