Concern that a test could come during Chinese officials' visit to Washington

[ahlam1399]

US spy satellites have detected new activity at **rth Korea's underground nuclear test site for the first time in several weeks, two US officials told CNN.

أكثر... (http://www.cnn.com/2017/06/20/politics/us-spy-satellites-**rth-korea-nuclear-test/index.html)