North Korea seems poised to test another intercontinental ballistic missile or intermediate-range missile in the coming weeks, CNN reported Wednesday.
CNN quoted two U.S. officials as saying they came to the conclusion based on analysis of satellite images. They believe the North "may be testing components and missile control facilities for another ICBM or intermediate launch," it added.
The U.S. is keeping a close watch on North Korean radars and communications that could be used in another launch since it successfully tested a Hwasong-14 ICBM on July 4 that is believed to be capable of reaching the outlying states of Alaska or Hawaii.
"North Korea is continuing to test components to launch a missile from a submarine," CNN said. "But the U.S. intelligence assessment is that program remains in early stages."
"A North Korean submarine was spotted in international waters engaging in 'unusual activity,'" it added.
The North's secretive missile test preparations are normally detected only a day or two before the launch.