North Korea is expanding a weapons plant that manufactures missiles used by Russia against Ukraine, according to new research from a US-based think tank.

Satellite images show North Korea expanding key facility making missiles Russia uses in Ukraine - The plant at Ryongsong Machine Complex in Hamhung reportedly makes Hwasong-11 solid-fuel ballistic mis

Researchers at SI Analytics, a South Korean satellite imagery firm that uses AI technology to scour images, also confirmed the new construction at the February 11 plant, saying in a report on Monday that some of the construction near the loading area would likely be used to conceal the future operations of the factory from satellites.

North Korea is advancing its nuclear capabilities, raising security concerns for South Korea amidst discussions of U.S.-North Korea dialogue.