1.The first hearing of Yoon Suk Yeol's impeachment trial on Tuesday ended after four minutes in his absence. The Constitutional Court dismissed Yoon's request to exclude Justice Chung Kye-sun from the impeachment trial.2.The Joint Chiefs of Staff said Tuesday that North Korea launched multiple short-range ballistic missiles toward the East Sea at 3.The United States' Biden administration on Monday announced new restrictions on artificial intelligence chip exports, just a week before its term ends, to block the flow of advanced technologies into China, Russia and other "countries of concern" on national security grounds.