The formidable head of a pride of lions has been killed in a vicious attack by younger rivals. Bob Junior - named after legendary reggae singer Bob Marley - was an incredibly photogenic big cat and a fan favourite with tour operators and visitors, who have paid tribute to him online. With his brother Tryggve, the 'coolest cat' in the Serengeti National Park had ruled his pride for more than seven years. The lion, who was also known as Snyggve and who some believed relished his celebrity status, did not put up a fight when he was mauled by younger...