North Korea has launched its first operational "tactical nuclear attack submarine" and assigned it to the fleet that patrols the waters between the Korean peninsula and Japan, state media said on Friday.
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U.S. Treasury Secretary Janet Yellen said on Friday the United States was willing to work with India to help craft a communique at the end of the Group of 20 Summit in New Delhi over the weekend, but it would be a challenge.
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More than 150 rescuers raced on Thursday to reach an American man who fell ill and became trapped some 1,000 metres (3,280 ft) underground in a cave he was exploring in southern Turkey.




