South Korea’s anti-corruption agency is seeking an extension of the arrest warrant for impeached President Yoon Suk Yeol, and for police to assist in so-far unsuccessful efforts to arrest Yoon. The warrant approved by a court last week to arrest Yoon was set to expire Monday afternoon. The Corruption Investigation Office for High-Ranking Officials wants to question Yoon in response to the martial law decree he issued Dec. 3, which set off a political crisis in the country and quickly led to his impeachment. Investigators tried to execute the warrant last week, but hundreds of security forces blocked access to