Critics of the presidential security service call it a relic from the days of South Korea's strongman leaders.

Investigators trying to arrest Yoon Suk Yeol blocked by presidential security - Tense standoff at presidential palace deepens political crisis

A South Korean court on Tuesday approved an arrest warrant for President Yoon Suk Yeol, the embattled leader who plunged the country into political chaos by his shock decision to declare martial law nearly a month ago.