Xi Jinping, China’s leader, with North Korea’s leader, Kim Jong-un, in Beijing in September. Analysts say China is likely keen to assert its influence over North Korea as Pyongyang has leaned toward Russia.

Xi Jinping, China’s leader, with North Korea’s leader, Kim Jong-un, in Beijing in September. Analysts say China is likely keen to assert its influence over North Korea as Pyongyang has leaned toward Russia.