24 hours in pictures

London, UK: Barack Obama and Gordon Brown arrive for a press conference at the Foreign and Commonwealth Office in London Photograph: WPA Pool/Getty Images

Yingtan, China: A migrant worker rests at a cement plant Photograph: Reuters

Havana, Cuba: People take pictures of an elephant sculpture made of metal Photograph: Claudia Daut/Reuters

Belfast, Northern Ireland: That Man (Grant Goldie) helps launch the Festival of Fools Photograph: Paul Faith/PA

Now Zad, Afghanistan: A US Marine examines a doorway for signs of booby traps while on patrol with his squad Photograph: John Moore/Getty Images

London, UK: A protester contemplates a police line outside the Bank of England Photograph: Jeff J Mitchell/Getty Images

St Louis, US: A girl walks through a hall of mirrors at the City Museum Photograph: Jeff Roberson/AP

Copenhagen, Denmark: Groups of mink pelts await inspection at an auction house Photograph: Bob Strong/Reuters

Buenos Aires, Argentina: People stand in line during the wake for the late Argentinian president Raúl Alfonsín Photograph: Leo La Valle/EPA

Kiev, Ukraine: Clowns march in the centre of the capital to mark April Fools' Day Photograph: Sergei Supinsky/AFP/Getty

Rosarito, Mexico: A man performs tricks on a horse Photograph: Sandy Huffaker/Getty Images

Dibrugarh, India: A tea garden labourer Photograph: EPA

Manila, Philippines: A woman places her wish notes on a giant cross Photograph: Aaron Favila/AP

Tachilek, Burma: U Thit, aged eight, naps while waiting for the Buddhist novice ordination ceremony to start at the Mahamyat Muni monastery Photograph: Paula Bronstein/Getty