News City of Gold! Brazil's first title at Rio 2016 goes to Rafaela Silva The judoka, who grew up in Rio's City of God community, beat Sumiya Dorjsuren of Mongolia in the 57kg final to claim the host nation's first title Rafaela had the vocal support of the fans in Carioca Arena 2, especially from her family who were out in force to support her   "It really helped me with momentum and the pressure against my opponents," she said  "The stadium was shaking, everybody was screaming and cheering me on every minute " Silva, seen here winning Rio 2016 gold, is a former world champion (Photo: Getty Images/David Ramos) US fencer Muhammad exits Rio 2016, but not before making history After beating Ukraine's Olena Kravatska in the round of 32 earlier in the day, American Ibtihaj Muhammad's tournament came to an end against France’s Cecilia Berder Nevertheless, she became the first athlete from her country to compete at the Olympic Games wearing a hijab headdress, saying: "I want to break cultural norms and show girls that it's important to be active, it's important to be involved in sport " Rio 2016 the "defining experience" in Muhammad's career, she said (Photo: Getty Images/Patrick Smith) Two out of three not bad for Russia's fencers Elsewhere, Russia's women achieved a podium 1-2 in the individual sabre, with Yana Egorian overcoming Sofya Velikaya at Carioca Arena 3 Egorian spoke of how it felt to compete against her team-mate, saying: "It was the most difficult fight, because Sofya has as much right to this medal as I do and sport is sport and there can only be one winner "      Sofya Velikaya of Russia (L) and Yana Egorian go for gold (Photo: Getty Images/Dean Mouhtaropoulos) Australia wins antipodean battle for first rugby sevens title World champions Australia completely overpowered their continental neighbours in the early minutes of the second half to take gold at the Deodoro Stadium, winning 24-17 Though Kayla McAlister impressed for the All Blacks, and Portia Woodman restored respectability to the scoreline with a late try, Australia's victory was thoroughly deserved Ellia Green scores the pivotal try for Australia early in the second half (Photo: Getty Images/Jamie Squire) Sailing competition gets underway in Guanabara Bay Racing began in 10 classes today: five men's classes, four women's classes and one mixed class  There was early drama on the high seas, however, as Laser Radial class defending champion Xu Lijia was disqualified from her second race in the women's competition, moving her from first overall to 23rd at the end of the day Conditions were ideal, with a strong wind blowing on Guanabara Bay (Photo: Getty Images/Clive Mason) Daley delighted with bronze while Chinese pair grab gold China easily won its second gold medal in diving at the Rio 2016 Olympic Games, dominating the men's 10m synchronised event, and will now be looking to maintain momentum for a potential clean sweep of Rio 2016 titles The America pair of David Boudia and Steele Johnson took silver, while Tom Daley and Daniel Goodfellow of Great Britain rallied with their final dive to leapfrog the German competitors to take the bronze Tom Goodfellow and Daley celebrate bronze with the final dive of the event (Photo: Getty Images/Clive Rose) Gold, silver and a new Olympic record for Thailand Despite being a first-time Olympian, Thai weightlifter Sukanya Srisurat came to Rio fully prepared for her shot at glory After claiming a gold and an Olympic record, she revealed that her approach to the clean and jerk was part of a well-laid strategy: "I plan everything I do When I practise I make sure it is exactly what I do Today I did everything in the right order and I just followed my own course " It was in the snatch that she set a new Olympic record, however, with a score of 110 Compatriot Pimsiri Sirikaew won the silver medal, bring the country's total in the sport so far at Rio 2016 to four, with Chinese Tapei's Kuo Hsing-Chun taking bronze   Srisurat credited "practice, persistence and perseverance" for her victory (Photo: Getty Images/Lars Baron) Japan take gold in men's artistic gymnastics team event The highly decorated Kohei Uchimura led the way as Japan claimed their their first Olympic win since 2004 in the men's artistic gymnastics team final The six-time world all-around champion was part of the silver medal-winning team at Beijing 2008 and London 2012 and also won all-around gold at London  At Rio, his performances on the pommel horse and floor anchored Japan's victory, which saw Russia take silver with China, who had been tipped for gold, finishing with bronze   Kohei Uchimura is living up to his reputation as the world's greatest (Photo: Getty Images/Alex Livesey) Djokovic and Del Potro follow the Murrays out of doubles It was another moment to savour for the home crowd as Brazilian pair Marcelo Melo and Bruno Soares sent Novak Djokovic and partner Nenad Zimonjic crashing out of the doubles tournament, 6-4, 6-4 With the top-seeded pairs of Pierre-Hugues Herbert and Nicolas Mahut and Jamie and Andy Murray already eliminated, the home nation's duo will have their eyes on the top prize Melo and Soares are now top remaining seeds at Rio 2016 (Photo: Getty Images/Clive Brunskill) Juan Martin del Potro, fresh from his victory against Djokovic in yesterday's singles match, progressed in that competition, beating Portugal's João Sousa by two sets to one, but was himself put to the sword in the doubles along with partner Maximo Gonzalez, as Spaniards Rafael Nadal and Marc Lopez prevailed by the same score Meanwhile, world no 1 Serena Williams is through to the third round of the women's singles tennis following a straight sets (7-6, 6-2) victory against France's Alize Cornet Serena bounced back from defeat in the doubles (Photo: Getty Images/Clive Brunskill)