Join our Whatsapp channelItalian orienteering athlete Mattia Debertolis died on Tuesday at the World Games in Chengdu, China after collapsing during competition, organisers said. Debertolis, 29, was found unconscious during an orienteering event on August 8 and died four days later, said a joint statement from World Games organisers and the International Orienteering Federation( IOF). ADVERTISEMENTContinue to videoNextStayPlayback speed1x NormalQualityAutoBack720p360p240p144pAutoBack0. 25x0. 5x1