Yotam Budnik was disqualified from the International Olympiad in Informatics in Uzbekistan after displaying an Israeli flag on the victory podium.
https://www.foxnews.com/outkick-sports/israeli-student-wins-gold-computer-science-olympiad-uzbekistan-disqualified-flag
https://www.foxnews.com/outkick-sports/israeli-student-wins-gold-computer-science-olympiad-uzbekistan-disqualified-flag