South Korean investigators seeking to arrest the impeached president, Yoon Suk Yeol, have clashed with his supporters as they launched a fresh attempt to execute an arrest warrant over insurrection accusations related to his 3 December declaration of martial law. Video footage showed investigating officers from the Corruption Investigation Office (CIO) trying to push through a crowd of Yoon’s supporters gathered outside his hillside villa in Seoul, where he has been holed up for weeks behind barbed wire and a small army of personal security. “The execution of the presidential arrest warrant has begun,” acting President Choi Sang-mok said in