1. A U.S. B-1B strategic bomber came back to South Korea for joint exercises on Sunday, as North Korea fired a short-range ballistic missile into the East Sea.
2. The South Korean government lifted the indoor mask mandate on public transportation starting from Monday which means the mask requirement is lifted for most indoor facilities with the exception of hospitals and high-risk areas.
3. Chinese President Xi Jinping made his first state visit to Russia on Monday, stirring speculations from the global community on his intentions.
