Dhaka, May 24 -- A Royal Bengal tiger was killed and dismembered by a mob in India's north eastern state of Assam, a forest official has said.Angry residents from a village in the Golaghat district reportedly took the step because the tiger had killed livestock in the area and posed a threat to their lives.The state's forest department has registered a case.Instances of man-animal conflict are not new to Assam. This is the third tiger killing that has been reported this year.Top forest official Gunadeep Das told Times of India newspaper that the tiger had died from sharp wounds and not gunshots.The carcass was later recovered in the presence of a magistrate, reports say.Mr Das told a local newspaper that "around a thousand people had gather...