VIDEO: Knut died of autoimmune diseases

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Knut never died of the disease in animals seen

August 28, 2015 Updated at 02:48 BST

The mystery of the death of the famous polar bear Knut, who died at the Berlin Zoo in 2011. surrounding area has been finally decided.

Millions of people were surprised when the bear four-year-old was found dead in the pit of her pregnancy after a crisis.

New research has shown that a form of autoimmune inflammation of the brain that were detected in humans.

Tim Allman reports.

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