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.

A think tank said the Sinpung facility, which likely houses six to nine ICBMs, poses a ‘potential nuclear threat’ to East Asia.

The ‘undeclared’ Sinpung-dong missile operating base is just 27km from the border with China, report by US thinktank says