SEOUL — South Korea's President Yoon Suk-yeol refused to appear for fresh questioning by investigators on Thursday, a day after his arrest over a failed martial law declaration.

South Korea's impeached President Yoon Suk Yeol faced renewed questioning Thursday, a day after his dramatic arrest over a failed martial law declaration, but his lawyers said he would not take part.

South Korea looks set for a dramatic political showdown this week as impeachment proceedings kick off against suspended President Yoon Suk Yeol, who remains holed up in his fortified residence evading arrest for a separate criminal investigation.