Kim Jong Un's sister shakes hands with South Korean leader in show of unity at Olympics ceremony

In an extraordinary and unexpected show of unity, North and South Korean officials have sat side by side at the opening ceremony of the 2018 Winter Olympics in Pyeongchang.
Kim Yo Jong, the sister of North Korea's leader, Kim Jong Un, shook hands with South Korean president Moon Jae-in while they watched an elaborate show of light, sound and human performance at the Olympic Stadium in Pyeongchang which aimed to tell the epic story of the whole of Korea.