Story Kim Jong Un's sister asks US to cease war games if it wants to 'sleep in peace' Kim Yo Jong's statement was the North's first public message to Washington since President Joe Biden took office in January. It was delivered a day before U.S. Secretary of State Antony Blinken and Defense Secretary Lloyd Austin are due to arrive in Seoul Reuters | March 16, 2021 | Updated 16:29 IST Kim Yo Jong The sister of North Korean leader, Kim Yo Jong, criticised ongoing military drills in South Korea and warned the new U.S. administration that the smell of cordite wafting over the border would not help bring peace, state news reported on Tuesday.