1. Former Interior Minister Lee Sang-min and National Security Adviser Shin Won-sik testified for the seventh trial of President Yoon Suk Yeol's impeachment trial on Tuesday.

2. U.S. President Donald Trump signed a proclamation Monday specifying that a 25 percent tariff will apply to all steel imports from South Korea, Japan, the European Union and many other nations starting on March 12.

3. President Volodymyr Zelenskiy said on Monday that "serious" members of U.S. President Donald Trump's team plans to travel to Ukraine this week for the first time, as diplomatic efforts to end the war with Russia intensify.