North Korea has built a new uranium enrichment facility at its main Yongbyon nuclear complex that could house up to 28 centrifuge cascades, and started operating an expanded annex at its Kangson enrichment site, the International Atomic Energy Agency (IAEA) said.

North Korea has built a new uranium enrichment facility at its main Yongbyon nuclear complex that could house up to 28 centrifuge cascades, and sta...

North Korea's new uranium enrichment facility at Yongbyon raises concerns over its expanding nuclear capabilities, warns IAEA.