Yoon Suk Yeol remains under a travel ban as authorities continue a separate probe into his Dec 3 martial law declaration.
Impeached South Korean President Yoon Suk-yeol has rebuffed investigators, who are seeking answers over his failed bid to declare martial law, as the country’s Constitutional Court begins a parallel process of deciding whether he should be removed from office.
Prosecutors planned to issue another summons on Monday.
South Korean politics is likely to be confrontational and chaotic for the foreseeable future after the country's Constitutional Court on Monday held its first meeting on the impeachment of President Yoon Suk Yeol.