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,

Impeached South Korean President Yoon Suk Yeol was detained by police at his residence Wednesday morning for questioning over his short-lived martial law attempt.