North Korea builds secret military base, increasing its 'potential nuclear threat'

North Korea has completed work on a secret military base, effectively elevating the “potential nuclear threat” Pyongyang poses to the US and east Asia, a new report suggested.

Researchers from the Center for Strategic and International Studies, a Washington DC-based think tank, issued their findings this week claiming between six to nine nuclear-capable ballistic missiles could be kept at the facility.

Construction on the Sinpung-dong Missile Operating Base started in 2004 some 17 miles from North Korea’s border with China in the province of North Pyongan.

The base may be able to house nine Hwasong-10 missiles, pictured above. AP

The base could also house thousands of soldiers, according to the report.

“These missiles pose a potential nuclear threat to East Asia and the continental