Meta boss Mark Zuckerberg got into a heated exchange with a referee at his first-ever Brazilian jiujitsu tournament — then went on to surprise martial-arts fans by winning gold and silver medals.

Asia with powerhouse athletes like Recep Kara, Ali Sofuoğlu, and Yasemin Adar Yiğit competing for glory and one billion Won prize money.

Winning medals runs in the family for Charlie and Travis Ratcliff -- siblings who are making a name for themselves in mixed ...