Sport pictures of the week

Singapore, November 13: Rory McIlroy of Northern Ireland in action during the first round of the Barclays Singapore Open at Sentosa Golf Club Photograph: Ian Walton/Getty Images

Glasgow, UK, November 12: Kilmarnock's William Gibson heads the ball clear against Celtic during their Scottish Premier League match at Celtic Park Stadium Photograph: Russell Cheyne/Reuters

Dubai, United Arab Emirates: A group of players prepare to play camel polo Photograph: Marwan Naamani/AFP/Getty Imagse

Niel, Belgium, November 11: Dutch cyclist Lars Boom celebrates on the finish line of the second GVA Trophy Photograph: Peter Deconinck/EPA

Stockholm, Sweden, November 11: Swimmers take the start from a new platform at the Stockholm Short Track World Cup Men's 100m Freestyle event Photograph: Olivier Morin/AFP/Getty Images

Mumbai, India, November 11: England's Kevin Pietersen leaves the field after being given out during the second warm-up match at the Brabourne Stadium Photograph: Anthony Devlin/PA

Jinan, China, November 11: Workers watch smoke billow from an indoor stadium. A second fire in four months engulfed the stadium that is being built for next year's 11th China National Games Photograph: Stringer Shanghai/Reuters

Boston, US, November 11: Boston Celtics forward Kevin Garnett waits for a free throw to be taken against the Toronto Raptors in third-quarter action during their NBA basketball game Photograph: Adam Hunger/Reuters

Lisbon, Portugal, November 10: Porto's Lisandro Lopez celebrates victory over Sporting after their Portuguese Cup soccer match at Alvalade stadium Photograph: Jose Manuel Ribeiro/Reuters

Zurich, Switzerland, November 9: A security guard stands next to empty seats during the Swiss Super League match between Grasshoppers and FC Zurich Photograph: Christian Hartmann/Reuters

Spain, November 9: America's Cup Class sailing ESP 97 (L-front) of Spanish team Desafio Espanol competes during the third day of the Desafio Espanol Trophy off the coast of Valencia Photograph: Kai Foersterling/EPA

Berlin, Germany, November 9: Team Germany compete in the women pursuit race on their way to be placed second at the Speed Skating World Cup Photograph: Fabrizio Bensch/Reuters

Monterrey, Mexico: Toluca's Carlos Esquivel controls the ball during their Mexican League championship soccer match against Tigres at the Universitario stadium Photograph: Tomas Bravo/Reuters

Moscow, Russia, November 8: Oussama Mellouli of Tunisia competes in the men's 400m Individual Medley during the FINA Swimming World Cup Photograph: Sergei Ilnitsky/EPA

Buenos Aires, Argentina, November 7: Marcio Rodrigues of Brazil's Internacional throws a flare away after it was thrown on to the field by supporters of Argentina's Boca Juniors, before their second-leg quarter-final Copa Sudamericana soccer match Photograph: Marcos Brindicci/Reuters

Western Australia, November 7: Daredevil surfer Kerby Brown rides a huge ocean wave Photograph: Ho/REUTERS