24 hours in pictures

Istanbul, Turkey: Workers chant slogans from a building during a May Day demonstration Photograph: Ibrahim Usta/AP

Hong Kong, China: Crowds watch as the Olympic torch is paraded along Nathan Road in the Tsim Sha Tsui district Photograph: Philippe Lopez/AFP

Kathmandu, Nepal: A monk watches the sunset from a balcony during a storm Photograph: Emilio Morenatti /AP

London, UK: A member of a protest group smokes a cigarette through his mask during a May Day celebration Photograph: Leon Neal/AFP

Helmand Province, Afghanistan: An Afghan boy raises his clothes for US Marines so that he can be checked before passing by a military position near the town of Garmser Photograph: David Guttenfelder /AP

Kabul, Afghanistan: A vendor gathers bread scraps for weighing before selling them at a local market Photograph: Rafiq Maqbool/AP

Rome, Italy: Concertgoers enjoy a performance at a May Day festival Photograph: Filipo Monteforte/AFP

Sydney, Australia: A model showcases an outift on the catwalk during Australian fashion week Photograph: Ian Waldie /Getty

Bogota, Colombia: Riot police look out from behind shields during clashes with demonstrators during a May Day demonstration Photograph: William Fernando Martinez/AP

Edinburgh, UK: A chimpanzee at Edinburgh Zoo plays in the new £5.65m enclosure, the world's largest of its kind Photograph: Jeff J Mitchell /Getty

New Brunswick, Canada: A lone farm building is isolated by water as the St John River overflows its bank Photograph: Andrew Vaughan/AP

Port-au-Prince, Haiti: A man holds a small fish in the docks area of the city Photograph: Eric Thayer /Getty

Shanghai, China: Jorge Lorenzo is thrown from his bike during practice for the MotoGP Grand Prix of China. Lorenzo only suffered a chipped bone in his left ankle Photograph: AP

Estacion Atlantida, Uruguay: A colt shakes off his rider during a rodeo Photograph: Pablo Porciuncula/AFP

Amritsar, India: A Sikh worshipper takes a bath in the tank of the Golden Temple Photograph: Raminder Pal Singh/EPA