24 hours in pictures

Bogotá, Colombia: a cadet lies on the grass after collapsing during a promotion ceremony at a police school Photograph: John Vizcaino/Reuters

Amsterdam, Netherlands: the Magere Brug, or Skinny Bridge, is seen in the background as partygoers watch the opening of the Amsterdam light festival from their floating tub filled with hot water on the Amstel river Photograph: Peter Dejong/AP

Managua, Nicaragua: a woman sells sugar cane, a traditional product for Catholics to eat on Nicaragua's patron saint day. Nicaragua's Catholics celebrate the feast of the Virgin Mary of the Immaculate Conception, the nation's patron saint Photograph: Esteban Felix/AP

Sanaa, Yemen: pro-democracy protesters perform Friday prayers on the streets of the city before their weekly rally Photograph: Khaled Abdullah/Reuters

Rio de Janeiro, Brazil: a man and his son attend the funeral of Brazilian architect Oscar Niemeyer at the São João Batista cemetery. Niemeyer, a Brazilian icon, revolutionised modern architecture and designed much of the country's futuristic capital, Brasilia Photograph: Vanderlei Almeida/AFP/Getty Images

Cannes, France: a bird flies as the sun rises over the bay Photograph: Lionel Cironneau/AP

Accra, Ghana: people queue to cast their vote at an outdoor polling station. Ghanaians went to the polls to choose between four candidates. The candidates included President John Dramani Mahama, who inherited the top post in July after President John Atta Mills died in office, and Nana Akufo-Addo, who narrowly lost the presidency to Mills in 2008 Photograph: Gabriela Barnuevo/AP

Gaza City, Gaza: a boy sits with masked militants from the Ezzedine al-Qassam brigades, the armed wing of the Hamas movement, during the visit of Hamas leader Khaled Meshaal Photograph: Ali Ali/EPA

Siliguri, India: labourers work on material to construct a road. India has the second-largest road network in the world behind the US, measuring 2.2m miles, but just under half of it is paved Photograph: Diptendu Dutta/AFP/Getty Images

Jericho, Palestine: Israeli soldiers are seen marching back to their base after the end of a training day in the Jordan valley Photograph: Atef Safadi/EPA

Cairo, Egypt: a general view shows tents and protesters in Tahrir Square, during a sit-in against the President Mohamed Morsi's decree. Backers and opponents of the president planned to stage rival mass protests, with the country locked in a deepening crisis over the Islamist leader's grab for powers and his call for a referendum on a controversial draft constitution Photograph: Andre Pain/EPA

Nahidullah, Afghanistan: sappers from 21 Engineer Regiment Royal Engineers work into the early evening to strip out one of the accommodation buildings at Patrol Base Nahidullah Photograph: Cpl Jamie Peters Rlc /MOD/EPA

Quebec, Canada: skiers compete during the men's team sprint cross-country skiing World Cup at the Sprint Quebec event Photograph: Mathieu Belanger/Reuters

Vatican, Vatican City: Pope Benedict XVI is seen through a Christmas tree as he leads the Angelus prayer from a window of his apartment Photograph: Alberto Pizzoli/AFP/Getty Images