A surprise visit by North Korean leader Kim Jong Un to China may indicate Pyongyang's need for support from its closest ally ahead of upcoming summits with South Korea and the US./Kyodo News via APA

A surprise visit by North Korean leader Kim Jong Un to China may indicate Pyongyang's need for support from its closest ally ahead of upcoming summits with South Korea and the US./Kyodo News via APA

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Why Kim Jong Un made a secret trip to China

A surprise visit by North Korean leader Kim Jong Un to China may indicate Pyongyang's need for support from its closest ally ahead of upcoming summits with South Korea and the US.