SEOUL, South Korea -- South Korea’s jailed ex-President Yoon Suk Yeol again refused to attend questioning by investigators Friday, using a new method to resist: He took off his prison uniform and lay down on the floor at his detention room.

South Korea's impeached former president Yoon Suk Yeol lay on his prison cell floor in his underwear to resist attempts to interrogate him, prosecutors said Friday. South Korea's justice minister told a parlimentary hearing that it was "frankly embarrassing for a former president to behave that way".

South Korea's ousted President Yoon Suk Yeol, who is in detention while on trial and facing various criminal probes, lay on the floor of his cell on Friday and refused to leave it for questioning, a spokesperson for a special prosecutor said.