ISLAMABAD (AP) — Kaavan, dubbed the "world's loneliest elephant" after languishing alone for years in a Pakistani zoo, was readied Sunday for his flight to a sanctuary in Cambodia and the much-needed company of other elephants.

The mammoth task of getting him into an elephant-sized metal box for transport took several hours, and was perhaps the most crucial step in rescuing him from the dire conditions he's lived in for 35 years.

Had Kaavan been spooked and refused to enter the cage or bolted, his departure could have been delayed for months while the rescue team sought to restore calm and tru...