US
Defectors have been sending material such as rice and anti-North leaflets, usually by balloon
Kim Yo Jong issued the warning in a statement carried by state news agency KCNA
Kim Yo Jong's visit made her the first member of the family to set foot in the country since the end of the Korean War
Kim Yo-Jong, member of the North ruling family will be the first ever to visit the South
Kim has made several appearances with her brother, giggling at concerts, riding a white horse