A man in his 20s was attacked and dragged away by a brown bear Thursday on Mt. Rausu on Japan's northern main island of Hokkaido and remains missing, according to local police.Authorities were notified around 11:10 a.m. by the man's companion after the two encountered the bear at an altitude of about 550 meters. Police have launched a helicopter search around the Shiretoko World Natural Heritage Site.The other man was uninjured and moved to an observation deck with dozens of hikers, who were advised to descend the mountain. Entry to the mountain has been restricted to ensure safety.Accordin…READ FULL ARTICLE