North Korea has a secret, previously unreported missile base near its northern border with China, which could pose a “potential nuclear threat” to much of East Asia and the United States, according to a new report released Wednesday.

North Korea has a secret military base near the Chinese border to hold ICBMs that pose a "potential nuclear threat" to the United States, a new report said.

North Korea has a covert military base near the Chinese border that poses a “potential nuclear threat” to the United States mainland, according to new research