Brother Tony found this one: http://sports.yahoo.com/news/judo-medalist-beat-up-while-celebrating-on-copacabana-beach-234727753.html
And I found this one that didn’t get a lot of coverage in May: https://www.washingtonpost.com/news/early-lead/wp/2016/05/24/spanish-olympic-gold-medalist-robbed-while-walking-to-breakfast-in-rio/