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North Korea restarts nuclear plant, warns US about weapons

North Korea said on Tuesday its main nuclear complex was operating and it was working to improve the "quality and quantity" of its weapons.

In this July 25, 2013 file photo, North Korean leader Kim Jong Un arrives at an event in Pyongyang. (Photo by Wong Maye-E/AP)
In this July 25, 2013 file photo, North Korean leader Kim Jong Un arrives at an event in Pyongyang. AP

Reuters