24 hours in pictures

Rangoon, Burma: a young man hangs from a moving train on a circular route through the suburbs Photograph: Damir Sagolj/Reuters

Bucharest, Romania: Romanian honour guard soldiers gather outside the Holocaust memorial during national Holocaust remembrance day commemorations Photograph: Vadim Ghirda/AP

Delaware, Ohio, US: supporters of the Republican presidential candidate, Mitt Romney, watch him speak during a campaign stop at Bun's Restaurant and Bakery Photograph: Evan Vucci/AP

Mexico City, Mexico: an activist from the Movement for Peace with Justice and Dignity prepares to take part in a protest against the Mexican government Photograph: Alfredo Estrella/AFP/Getty Images

Lejamani province, Honduras: a tilapia breeder sits and measures the water level as a pond used for breeding red tilapia fish is emptied due to the excessive growth of algae Photograph: Jorge Cabrera /Reuters

London, England: Antonia Campbell-Hughes attends the premiere of Frankenweenie 3D, which opened the 56th BFI London Film Festival at the Odeon Leicester Square Photograph: Dave J Hogan/Getty Images

Kathmandu, Nepal: a woman carries tea to sell to street vendors Photograph: Niranjan Shrestha/AP

Hamburg, Germany: a polar bear shakes water from its fur at Hagenbeck Zoo Photograph: Marcus Brandt/AFP/Getty Images

Logar Province, Afghanistan: US army soldiers attached to the 2nd platoon, C troop, 1st Squadron (Airborne), 91st US Cavalry Regiment, 173rd Airborne Brigade combat team operating under Isaf patrol near the Baraki Barak base Photograph: Munir Uz Zaman/AFP/Getty Images

Bekasi, West Java, Indonesia: an Indonesian mentally ill patient is bathed at a small mental rehabilitation centre Photograph: Mast Irham/EPA

Doral, Florida, US: search and rescue look for possible survivors in the rubble of a four-storey parking garage that was under construction and collapsed at the Miami Dade College's west campus Photograph: Miami-Dade Fire Rescue/Getty Images

Bojnourd, Iran: supreme leader Ayatollah Ali Khamenei is welcomed upon his arrival to the north-eastern city Photograph: AFP/Getty Images

Madrid, Spain: two workers take a nap on a roof Photograph: Alberto Di Lolli/AP