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North Korea declared itself a thermonuclear power on September 3, after carrying out a sixth nuclear test more powerful than any it has previously detonated, presenting President Donald Trump with a potent challenge. (KIM WON-JIN/AFP/Getty Images)

Kim Yo Jong, sister of North Korea’s leader Kim Jong Un, visits The Marina Bay Sands hotel in Singapore

By on July 13, 2019

Kim Yo Jong, sister of North Korea’s leader Kim Jong Un, visits The Marina Bay Sands hotel in Singapore, June 11, 2018. REUTERS/Edgar Su – RC1F469424E0