UFC 249 was canceled after California state officials, including Gov. Gavin Newsom, directly expressed concerns about the event to Disney, sources tell @kevinmdraper and @brooksbarnesNYT. Disney and ESPN then called Dana White. https://www.nytimes.com/2020/04/09/sports/ufc-249-canceled.html

Important to note that because of a nearly 70-year-old federal law, Public Law 280, California state and local officials have broad authority to intervene in criminal and civil matters on tribal land.