Meet the World's heaviest child who weighs the same as six boys his age.

 Arya Premana weighs 30 stone - and he's just 11-year-old.He's the world's heaviest child, and has had to have life-saving surgery

New Channel 5 documentary, World's Heaviest Child: Extraordinary People, is taking a closer look at his life.

After years of over-feeding him, parents Ade and Rokayah Soemantri were eventually convinced that their young son had to have drastic surgery or he’d die.