FILE - In this June 1, 2018, file photo, U.S. President Donald Trump, right, talks with Kim Yong Chol, former North Korean military intelligence chief and one of leader Kim Jong Un's closest aides, as they walk from their meeting in the Oval Office of the White House in Washington. A South Korean newspaper is reporting that North Korea executed a senior envoy involved in nuclear negotiations with the U.S. as well as four other high-level officials. (AP Photo/Andrew Harnik, File)
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