World's 'saddest' elephant dies after more than 40 years alone in a concrete pen at Manila Zoo

• The "world's saddest elephant" has died in the Philippines after spending her life in captivity.
• Celebrities, including Sir Paul McCartney, had called for her release.
• Mali arrived at the zoo in 1981 as a gift from the Sri Lankan government to Imelda Marcos.

Mali, a beloved elephant at Manila Zoo in the Philippines, has died after spending over four decades alone in a dilapidated pen.

She was dubbed one of the world's "saddest" elephants by animal activists.