ISTANBUL Here is a rundown of all the news you need to start your Saturday, including updates on the impeachment trial of the South Korean president, US national’s espionage allegations and a plane crash in Kazakhstan. TOP STORIES Impeachment trial of South Korean President Yoon begins The impeachment trial in South Korea by the Constitutional Court on whether to remove or reinstate President Yoon Suk Yeol began. Yoon’s representatives appeared at the top court, Seoul-based Yonhap News reported.