24 hours in pictures

Port-au-Prince, Haiti: A boy walks past an incinerator for waste from a cholera hospital Photograph: Hector Retamal/AFP

Beijing, China: A man smokes in his car. China will ban smoking in all indoor public places from May Photograph: David Gray/Reuters

Switzerland: Miners watch as a tunnel boring machine breaks through the western end of the Gotthard base tunnel Photograph: Arnd Wiegmann/Reuters

Ofunato, Japan: An elderly man sleeps in a high school gym being used as an evacuation shelter Photograph: Issei Kato/Reuters

Jerusalem: An Israeli policeman at the site of a bombing Photograph: Nati Shohat/EPA

Ras Jdir, Tunisia: Plastic plates left behind by men who used to work in Libya and have fled over the border to Tunisia Photograph: Emilio Morenatti/AP

San Salvador, El Salvadaor: A rally against the foreign policies of the US outside the French embassy Photograph: Edgard Garrido/Reuters

Sana'a, Yemen: Soldiers with flowers they were given by anti-government protesters Photograph: Muhammed Muheisen/AP

Brussels, Belgium: Demonstrators gather to block traffic during a protest by European workers and trade union representatives Photograph: Francois Lenoir/Reuters

Vancouver, Canada: A pair of nesting blue herons in Stanley Park Photograph: Andy Clark/Reuters

Coast of Japan: US navy sailors scrub the deck of the USS Ronald Reagan to remove any radiation contamination Photograph: Nicholas A Groesch/US Navy via Getty Images

Ajdabiya, Libya: A rebel unloads a government tank Photograph: Aris Messinis/AFP

Lampedusa, Italy: People fleeing the unrest in north Africa are transported on an amphibious vessel by the Italian military Photograph: Alessandro Bianchi/Reuters

New York City, US: Fashion Institute of Technology students write the names of 146 workers who died in the Triangle shirt factory fire in 1911 in front of an exhibition at the institute Photograph: Timothy A. Clary/AFP