By Will Stewart Villagers and pets in Russia have been both injured and killed in a spate of attacks by some of the world’s largest cats. President Vladimir Putin pioneered the rehabilitation of the giant Amur tiger years ago, moving it into its natural habitat in the east of the country. However numbers of the endangered species have rapidly risen, with over 750 of the big cats, which can weigh up to 30 stone, living in the wild – proving a threat to locals. In December, a man named Viktor S was viciously mauled and killed by a beast after his dog was eaten by the same animal, the latest of s…