North Korean leader Kim Jong Un vowed to lift living standards in his opening speech at a congress held once every five years.

North Korea's Kim Jong Un re-elected as General Secretary, emphasizing nuclear deterrence and economic improvements at party congress.

North Korea's Kim Jong Un re-elected as General Secretary, emphasizing nuclear deterrence and economic improvements at party congress.

North Korean leader Kim Jong Un vowed to lift living standards in his opening speech at a congress held once every five years.

As the country's biggest political event held every five years, the congress sets policy and can bring changes in leadership roles beneath supreme commander Kim Jong Un.