Guardian: A polar bear attack in Canada that left two people injured has brought new warnings from scientists of a dangerous rise in human-bear encounters in a warming Arctic.
The friends had just walked out of the door in the pre-dawn hours after a party when the young polar bear crept up behind them, unheard and unseen.
By the time, the bear was driven off by neighbours wielding a shovel, banging pots and pans, and firing multiple rounds from a shotgun, two people were badly mauled: the young woman...