Ellen Nakashima Anna Fifield Joby Warrick The Washington Post

North Korea has successfully produced a miniaturized nuclear warhead that can fit inside its missiles, crossing a key threshold on the path to becoming a full-fledged nuclear power, U.S. intelligence officials have concluded in a confidential assessment.

North Korea will be able to field a reliable, nuclear-capable intercontinental ballistic missile as early as next year, U.S. officials have concluded in a confidential assessment that dramatically shrinks the timeline for when Pyongyang could strike North American cities with atomic weapons.

North Korea has successfully produced a miniaturized nuclear warhead that can fit inside its missiles, crossing a key threshold on the path to becoming a full-fledged nuclear power, U.S. intelligence officials have concluded in a confidential assessment.

North Korea will be able to field a reliable, nuclear-capable intercontinental ballistic missile as early as next year, U.S. officials have concluded in a confidential assessment that dramatically shrinks the timeline for when Pyongyang could strike North American cities with atomic weapons.