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 Korea's impeached President Yoon Suk Yeol was arrested on Wednesday as part of an investigation into alleged insurrection and in between being questioned the suspended leader is expected to be held in a solitary cell at a detention centre.

Yoon’s detention, after a tense standoff outside the presidential residence, marks the latest chapter in a bewildering series of events since his martial law decree.