24 hours in pictures

Higuerote, Venezuela: People play dominos in a flooded street Photograph: Ariana Cubillos/AP

Dhaka, Bangladesh: An activist from the main opposition Bangladesh Nationalist party (BNP) looks through the window of a prison van after being arrested during a strike Photograph: Andrew Biraj/Reuters

Rio de Janeiro, Brazil: Police stand by residents in the Morro dos Macacos area Photograph: Felipe Dana/AP

Sana'a, Yemen: Customers gather around qat sellers on the roadside Photograph: Muhammed Muheisen/AP

Kibera, Kenya: HIV-positive five-year-old Peter Otieno stands in the inner courtyard of a preschool Photograph: Roberto Schmidt/AFP/Getty Images

Lyon, France: A woman walks her dog Photograph: Laurent Cipriani/AP

Tripura, India: Aids awareness activists light candles Photograph: Jayanta Dey/Reuters

Islamabad, Pakistan: A steel worker fashions molten steel Photograph: Carl De Souza/AFP/Getty Images

London, UK: Students protest over tuition fees rises and budget cuts Photograph: Matthew Lloyd/Getty Images

Aden, Yemen: A woman peers out from behind a door Photograph: Karim Sahib/AFP/Getty Images

Valle del Cauca, Colombia: A flooded farm Photograph: Luis Robayo/AFP/Getty Images

Bucharest, Romania: Soldiers parade to celebrate Romania's National Day Photograph: Bogdan Cristel/Reuters

Moscow, Russia: A woman passes pigeons warming themselves on the grid of a subway ventilation system Photograph: Alexey Sazonov/AFP/Getty Images

London, UK: The frozen boating lake at Alexandra Palace Photograph: Dave J Hogan/Getty Images

Kabul, Afghanistan: An man collects bricks from a factory Photograph: Ahmad Nazar/AP

Simatai, China: Tourists walk along a mist-shrouded section of the Great Wall Photograph: Jerry Lampen/Reuters

Tijuana, Mexico: General Alfonso Duarte Mujica, holds his cap in his hands during the swearing-in ceremony for the new Mayor of Tijuana at the City Hall Photograph: Alejandro Cossio/AP

Madrid, Spain: The prime minister, José Luis Rodríguez Zapatero, after arriving for a full session of parliament Photograph: Daniel Ochoa de Olza/AP