About the Author

Chad O'Carroll
Chad O'Carroll has written on North Korea since 2010 and writes between London and Seoul.
Updated on Aug. 26 at 16:10 KST: Kim Yo Jong was also not seen in images and footage of a Politburo meeting on Aug. 25, marking the third straight absence from a meeting where her attendance was expected.
Updated on Aug. 20 at 18:20 KST to add remarks by a South Korean lawmaker who said Kim Jong Un may have delegated some authority to Kim Yo Jong, and at 20:10 to add clarification by a National Intelligence Service (NIS) official.