24 hours in pictures

Tunis, Tunisia: Passengers in a car are surrounded by local residents at an unofficial checkpoint which was set up to find alleged supporters of ousted President Zine al-Abidine Ben Ali Photograph: Fred Dufour/AFP/Getty Images

Rostov-on-Don, Russia: A Russian Cossack, dressed in a traditional costume, fires a gun as he takes part in a performance during street festivities in preparation for the Orthodox Epiphany Day Photograph: Vladimir Konstantinov/Reuters

Port-au-Prince, Haiti: Former dictator Jean-Claude "Baby Doc" Duvalier (left) is seated in a heavily armed limousine after making a surprise return after nearly 25 years in exile Photograph: Hector Retamal/AFP/Getty Images

Sliema, Malta: A boy chases a pigeon while playing on a beach Photograph: Darrin Zammit Lupi/Reuters

Ciudad Juárez, Mexico: Poet Armine Arjona reads a poem by late human rights activist and poet Susana Chávez near a cross with nails representing killed or missing women. Susana Chávez was found murdered two weeks ago Photograph: Gael Gonzalez/Reuters

Rui'an, China: A bus is seen after falling into a pit created by an underground explosion Photograph: China Daily/Reuters

Novoselki, Belarus: An Orthodox church in thick fog Photograph: Tatyana Zenkovich/EPA

Nova Friburgo, Brazil: Residents search for landslide victims Photograph: Felipe Dana/AP

Jerusalem: Greenpeace activists climb on a light rail bridge protest against a planned coal-fired power plant Photograph: Sebastian Scheiner/AP

Srinagar, India: Kashmiri fishermen row their boats past a snow-covered sand bar on the Jehlum river Photograph: Mukhtar Khan/AP

San Bartolomé de Pinares, Spain: A man rides a horse through a bonfire during a traditional festival in honor of Saint Anthony, the patron saint of animals Photograph: Arturo Rodriguez/AP

Dresden, Germany: Statues on the Hofkirche are silhouetted at sunset Photograph: Arno Burgi/EPA

Gaza: A masked Palestinian militant from the Popular Resistance Committee hides in the branches of an olive tree as he takes part in an exercise Photograph: Mohammed Saber/EPA

Lausanne, Switzerland: People walk in a bridge and enjoy the sunshine on a beach on Geneva Lake Photograph: Laurent Gillieron/EPA