Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Hitobashira:

"

During the reign of Chunghye of Goryeo, a rumour spread within the capital city of Kaesong that he had planned to sacrifice dozens of infants as a foundation for his new palace, causing chaos as the people of Kaesong fled en masse.[citation needed]