When Yoon was impeached three weeks ago, he was supposedly stripped of his power. So to have law enforcement officers trying to carry out an arrest - which they have legal warrant for - only to be blocked by Yoon's security team raises serious and uncomfortable questions about who is in charge here.

South Korea's presidential guard and military did not allow investigators to arrest ousted President Yoon Suk Yeol during a tense six-hour standoff at the residence in the heart of Seoul, reports Reuters.

SEOUL (Reuters) -Authorities sought on Friday to execute an arrest warrant for impeached South Korean President Yoon Suk Yeol, as a crowd of protesters faced off with police outside his residence and vowed to block any attempt.