A zoo official prepares to tie the mouth of Oni, an African lion, after it was successfully anesthetized at Taman Satwa Jurug in Solo, Indonesia's central Java province, January 31, 2012. Oni escaped from his cage and then attacked and killed a camel before he was subdued and anesthetized on Tuesday, local media reported. Pictures taken January 31, 2012. REUTERS/Andry Prasetyo (INDONESIA - Tags: ANIMALS TPX IMAGES OF THE DAY)