Fri Oct 21, 2016 | 2:17 PM EDT By Zoe Tabary LONDON (Thomson Reuters Foundation) - Sport is a universal language that can help prevent extremism and racism among young people, London-born Pakistani footballer Kashif Siddiqi said on Friday, urging governments to do more to bring together players from different religions. Siddiqi, co-founder of Football for Peace, a charity that puts on matches between communities of different ethnic or cultural backgrounds, said being born to a Ugandan mother and an Indian father had taught him a lot about cultural diversity. "The communities we bring together play in one team, so they have to talk to each other – just like in football you can't win if you don't pass the ball to teammates," said Siddiqi, who has played for Pakistan at international level. Young people have been among the thousands of Muslims, including more than 800 Britons, who have left Europe for Iraq and Syria, many to join Islamic State (IS),