Zhao Leji, left, chairman of the National People's Congress of China, talks to North Korean leader Kim Jong-un during a visit to Pyongyang this month. Photo: Korea News Service via AP
Zhao Leji, left, chairman of the National People's Congress of China, talks to North Korean leader Kim Jong-un during a visit to Pyongyang this month. Photo: Korea News Service via AP

North Korea sends delegation to Iran after Covid-related gap