South Korea's Yoon Suk Yeol has become the country's first sitting president to be arrested, ending a weeks-long standoff between investigators and his personal security. Yoon, whose failed attempt to impose martial law plunged the country into turmoil and saw him impeached by parliament,

South Korean authorities have arrested impeached President Yoon Suk Yeol over allegations of insurrection tied to his Dec. 3 martial law declaration, officials said.