Kim Yo-jong, a senior official and the sister of the country’s leader, has warned Seoul that it “will have to pay a dear price” Pyongyang has proof that Seoul was behind the launch of several drones over North Korea earlier this month, Kim Yo Jong, a senior official and the sister of leader Kim Jong Un, has claimed.  The Democratic People’s Republic of Korea (DPRK) claimed last Friday that there had been at least three incidents of late – on October 3, 9 and 10 – when UAVs dropped propaganda