> President Yoon Suk Yeol of South Korea declared emergency martial law on Tuesday, banning “all political activities,” in an extraordinary reaction to the political deadlock that has hobbled his tenure.
The full extent of what martial law entails was not immediately clear, but the announcement enabled the president to take command of the news media. His declaration set off protesters clashing with the police outside the National Assembly, and an immediate effort by opposition lawmakers to halt the decree. It was the first time a South Korean president had declared martial law since the mi…