24 hours in pictures

London, UK: Barack Obama with Tim Geithner following a meeting with Gordon Brown at 10 Downing Street Photograph: Pablo Martinez Monsivais/AP

Buenos Aires, Argentina: People holding posters with the image of Argentina's former president Raúl Alfonsín stand outside Alfonsín's home. Alfonsín died at age 82 on Tuesday after suffering from lung cancer and pneumonia Photograph: Natacha Pisarenko/AP

Baghdad, Iraq: An investor uses his binoculars to look at the dealing board at the Iraq Stock Exchange Photograph: Sabah Arar/AFP/Getty Images

Guatemala City, Guatemala: A woman participates in a protest against violence, hunger, poverty, social exclusion and racism Photograph: Ulises Rodriguez/EPA

Lima, Peru: A worker walks past near illegal slot machines waiting to be destroyed by the authorities Photograph: Mariana Bazo/Reuters

Taipei, Taiwan: Followers pray during the closing ceremony for the second World Buddhist Forum Photograph: Nicky Loh/Reuters

London, UK: A G20 demonstrator struggles with police in Bishopsgate Photograph: Bruno Vincent/AFP/Getty Images

Beichuan, China: A soldier stands amongst rubble. Survivors of the earthquake are being allowed into the ruins of the county seat to give offerings for their dead relatives ahead of the traditional Qingming Festival Photograph: Aly Song/Reuters

Dangxiong country, China: Women carry drinking water Photograph: Ng Kong/EPA

Havana, Cuba: A pedestrian looks at a sculpture entitled 'Survivors' by Roberto Fabelo that is exhibited as part of the 10th Art Biennial Exhibition Photograph: Alejandro Ernesto/EPA

Panama City, Panama: David Navarro, the relative of a person who allegedly died from consuming contaminated cough syrup distributed by the government, protests by lying in a coffin outside the Supreme Court Photograph: Tito Herrera/AP

Kawasaki, Japan: A man works on a crane at a factory of the Keihin industrial complex Photograph: Kim Kyung-Hoon/Reuters

Moorhead, US: Snow-covered pine trees sit in floodwater Photograph: Scott Olson/Getty Images

Wuhan, China: A worker naps on the railway at the construction site of Wuhan North Railway Marshalling Station Photograph: Stringer Shanghai/Reuters

New York, US: A commuter exits the New York City Subway Photograph: Timothy A Clary/AFP/Getty