A six-year-old Thai boy with terminal cancer was able to meet the internet-famous pygmy hippo Moo Deng as his final wish.

Moo Deng's keepers, Khamoo and the team, took to social media to announce the heartbreaking news of Auto's death.

With jaws that stretch four feet wide and tusks up to 20 inches long, hippos are built for brutal combat in the wild.

This is the moment famous pygmy hippo Moo Deng soaked in a pool beside her mum at a zoo in Thailand. Footage shows the adorable internet sensation relaxing in the water inside her enclosure at the ...