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North Korea has this year repeatedly provoked worldwide outrage with a series of nuclear tests and missile launches, prompting condemnation and threats from despot Kim Jong-un’s Western rivals.

And it has now been revealed the campaign of terror is partly thanks to China, who have been supplying North Korea with a key ingredient.

Beijing is believed to send Kim’s blood-thirsty Pyongyang administration rocket fuel dubbed “Devil’s Venom” - with fears growing the hermit state have already figured out how to manufacture the material itself.

The fuel, unsymmetrical dimethyl hydrazine (UDMH), is extremely tricky to create and is suspected to be supplies to the rogue state by China.