Chinese President Xi Jinping on Saturday sent a message to North Korean leader Kim Jong Un calling for strengthened cooperation in the fight against the new coronavirus and offering China's assistance, according to the official Xinhua News Agency.Xi said he is paying "great attention to the epidemic prevention and control situation" in North Korea amid the global pandemic, noting that measures taken by Pyongyang "are leading to positive progress," according to the report.Related coverage:North Korea's Kim makes 1st public appearance in 20 days: KCNAREAD FULL ARTICLE