24 hours in pictures

Tehran, Iran: Rescue workers search for survivors after a residential building collapsed Photograph: Morteza Nikoubazl/Reuters

Seoul, South Korea: Protesters hold a candlelight vigil as part of protests against the government's policy toward US beef imports Photograph: Kim Jae-Hwan/AFP

New York: The reflection in a puddle of the New York stock exchange building Photograph: Justin Lane/EPA

Beijing, China: A woman and child on a bicycle navigate through a traffic jam in city's central business district Photograph: Robert F Bukaty/AP

Gaza Strip: Palestinians wait to leave the Gaza Strip for Egypt via the Rafah border crossing Photograph: Khalil Hamra/AP

Baghdad, Iraq: A police officer helps his colleague put on a mask during a sandstorm Photograph: Hadi Mizban/AP

Munich, Germany: Lufthansa employees take part in a strike at Franz Josef Strauss airport Photograph: Christof Stache/AP

Paris, France: John Galliano's collection for Christian Dior Photograph: Francois Guillot/AFP

London, UK: An athlete runs through Tate Britain as part of a live art installation entitled 'Work No 850' by Martin Creed Photograph: Shaun Curry/AFP

A-Ram, West Bank: Palestinian women are wait for local transport in the shadow of Israel's security wall Photograph: Atef Safadi/EPA

Blankenberge, Belgium: An exhibit at the town's annual sand sculpture festival Photograph: Peter Deconinck/AFP

Moscow, Russia: People walk in the rain Photograph: Denis Sinyakov/Reuters

Changzhi, China: A child rests after searching for usable coal at a cinder dump Photograph: Reuters

Clapham, UK: Crows cool down in a public paddling pool Photograph: Dan Kitwood/Getty

New York, US: Dancers with Pilobolus perform a scene from 'Laterna Magica' Photograph: Timothy A Clary/AFP

Omaha, Nebraska: Katie Ziegler swims during her heat in the women's 400m freestyle at the US Olympic swimming trials Photograph: Christinne Muschi/Reuters