South Korea's President Yoon Suk Yeol faces a new and potentially more robust attempt to arrest him on insurrection charges after a top investigator vowed to do whatever it takes to break a security blockade and take in the impeached leader.

South Korean law enforcement officials have requested a court warrant to detain impeached President Yoon Suk Yeol as they investigate whether his short-lived martial law decree this month amounted to rebellion.