A South Korean court approved arrest warrants on Tuesday to detain impeached President Yoon Suk Yeol and search his office and residence amid a criminal investigation into his martial law decree.

South Korea’s opposition-controlled National Assembly voted Friday to impeach acting President Han Duck-soo despite vehement protests by governing party lawmakers, further deepening the country’s political crisis set off by President Yoon Suk Yeol’s stunning imposition of martial law and ensuing impeachment.