24 hours in pictures

Shiraz, Iran: Iran's supreme leader Ayatollah Ali Khamenei waves to crowds during a vist to the southern city Photograph: handout/AFP

Banda Aceh, Indonesia: Shark hunters display their catch in the Lam Pulo traditional fish market Photograph: Hotli Simanjuntak/EPA

Kathmandu, Nepal: A boy plays with a wheel Photograph: Emilio Morenatti/AP

Addis Ababa, Ethiopia: The opening ceremony of the 16th African Athletics Championships Photograph: Jose Cendon/AFP

Beijing China: A security guard at the 100 days countdown celebration to the Olympics Photograph: Oded Balilty/AP

Islamabad, Pakistan: A young boy waits for free rice provided at the Bari Imam shrine Photograph: Warrick Page/Getty

Islamabad, Pakistan: A baker makes dough for chapatis Photograph: Warrick Page/Getty

Krakow, Poland: Barbed wire surrounds the Nazi concentration camp of Aushwitz Photograph: Chris Jackson/Getty

Karachi, Pakistan: Activists from Pakistani labour unions hold torches during a march Photograph: Rizwan Tabassum/AFP

Rafah, Gaza: A young Palestinian boy injured by an Israeli air strike Photograph: Said Khatib/AFP

Buenos Aires, Argentina: A boy plays football in the La Boca district Photograph: Natacha Pisarenko/AP

Santa Cruz, Bolivia: Demonstrators hold up candles during a campaign rally in support of a provincial referendum for autonomy Photograph: Dado Galdieri/AP

Edinburgh, UK: Members of the Beltane Fire Society celebrate the coming of summer by participating in the Beltane Fire Festival on Calton Hill Photograph: Jeff J Mitchell/Getty

Port au Prince, Haiti: Children line up as volunteers prepare food at Saint Clare's church rectory Photograph: Eric Thayer/Getty

Farmborough, UK: A morris dancer adjusts his bells as he prepares to perform at dawn Photograph: Matt Cardy/Getty

Seoul, South Korea: A Buddhist follower hangs name tags of those who donated money and lotus lanterns at Chogye Temple Photograph: Kim Jae-Hwan/AFP

Kathmandu, Nepal: A labourer works in a rice field. Nepal has banned the export of rice and other grains to prevent the possibility of food shortages and curtail price increases Photograph: Emilio Morenatti/AP