The posts allege the image is proof of Moon's links to China, but it was doctored to replace a South Korean flag. The image appears to show Moon holding a microphone in front of the Chinese flag.

London 2012 organizers were left red-faced after incorrectly displaying South Korean flags alongside North Korean players in one of the opening Olympic soccer games. WSJ's John Crowley reports.

How North and South Korea Came to March Under One Flag The star of the Pyeongchang Winter Olympics opening ceremony was a white and blue flag representing a unified Korean peninsula.

Pro-Yoon social media posts have gone further by repeatedly sharing a supposed photo of Moon "swearing an oath in front of the Chinese flag." The posts allege the image is proof of Moon's links to ...