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TOPSHOT - North Korean soldiers patrol next to the border fence near the town of Sinuiju across from the Chinese border town of Dandong on February 10, 2016. North Korea has restarted a plutonium reactor that could fuel a nuclear bomb and is seeking missile technology that could threaten the United States, Washington's top spy said. AFP PHOTO / JOHANNES EISELE (Photo by JOHANNES EISELE / AFP) (Photo credit should read JOHANNES EISELE/AFP/Getty Images)

TOPSHOT - North Korean soldiers patrol next to the border fence near the town of Sinuiju across from the Chinese border town of Dandong on February 10, 2016.  North Korea has restarted a plutonium reactor that could fuel a nuclear bomb and is seeking missile technology that could threaten the United States, Washington's top spy said.   AFP PHOTO / JOHANNES EISELE (Photo by JOHANNES EISELE / AFP)        (Photo credit should read JOHANNES EISELE/AFP/Getty Images)