South Korean investigators have requested impeached President Yoon Suk Yeol to appear for questioning this week regarding his controversial martial law decree. The move comes as authorities expand their investigation into whether Yoon’s actions could be considered rebellion, the Associated Press (AP) reported on Monday. A joint team involving police, the anti-corruption agency, and the Defence Ministry plans to ask Yoon to attend questioning on Wednesday, according to police. The request follows Yoon’s impeachment by the opposition-controlled National Assembly on Saturday over his December 3 martial law order. His presidential powers are suspended while the Constitutional Court reviews whether to remove him from office or reinstate him. If the court dismisses Yoon, a presidential election must be held within 60 days. The Constitutional Court has up to 180 days to rule, but decisions in similar cases have come sooner. For example, the court reinstated former President Roh Moo-hyun after 63 days in 2004, while it dismissed President Park Geun-hye after 91 days in 2017. Yoon has defended his decree, claiming it was necessary to address …