24 hours in pictures

Beichuan, China: People visit the quake-hit town Photograph: Ng Han Guan/AP

Mexico City, Mexico: A Dutch tourist takes pictures from an empty double-decker tour bus Photograph: Alexandre Meneghini/AP

London, UK: Police officers detain a pro-Tamil demonstrator during a protest in Parliament Square Photograph: Andrew Winning/Reuters

Jerusalem, Israel: Pope Benedict XVI prays over the eternal flame at the Yad Vashem Holocaust Memorial's Hall of Remembrance Photograph: Uriel Sinai/Getty Images

Sofia, Bulgaria: A Roma band performs for money Photograph: Dimitar Dilkoff/AFP/Getty

Mardan, Pakistan: Children queue for food at a refugee camp Photograph: Greg Baker/AP

Dhaka, Bangladesh: A survivor of an acid attack attends a rally with her child. Hundreds of women throughout the country have been scarred for life by attacks from men. Reasons for targeting victims include women who refuse to agree to arranged marriages, women whose family fail to produce a promised dowry, or women who bring 'dishonour' to a family. Photograph: Andrew Biraj/Reuters

Peshawar, Pakistan: Students sleep after lunch at the Dar al-Haqqania Madrassa Photograph: Daniel Berehulak/Getty Images

Port Sulphur, US: Herschel Barthelemy sits outside the Federal Emergency Management Agency trailer he lives in with six other children Photograph: Mario Tama/Getty Images

Madrid, Spain: France's junior foreign minister for human rights, Rama Yade at the Committee of Ministers at the Council of Europe Photograph: Pedro Armestre/AFP/Getty

Moscow, Russia: A girl stands on a pedestrian bridge Photograph: Dmitry Kostyukov/AFP/Getty

Washington, US: Dyeing poison dart frogs (Dendrobates tinctorius) at the National Zoo Photograph: Jacquelyn Martin/AP

Jakarta, Indonesia: A woman yawns as she feeds milk to her child while waiting for a train at Gambir Photograph: Beawiharta/Reuters

Watlington, UK: Two young fallow deer make their way across a farmer's field Photograph: Dan Kitwood/Getty Images