The Japan Sumo Association has hailed its five-day exhibition tournament in London as a resounding success, helping spread the ancient sport to an international audience.The association's first overseas event since 2005 drew sell-out crowds to London's Royal Albert Hall through Sunday while generating a buzz among local outlets and on social media.For many of the wrestlers, witnessing the popularity of sumo in a foreign country was an exciting experience.Grand champion Onosato was kept busy in his role as one of the faces of the tournament, giving interviews to Japanese and British media be…READ FULL ARTICLE