24 hours in pictures

Dixville, New Hampshire, US: protesters gather outside a polling station for the Republican presidential primary Photograph: Matt Rourke/AP

Mexico City, Mexico: a worker stands on a rubbish truck at a transfer station where waste is unloaded before being shipped to landfill Photograph: Reuters

Bogotá, Colombia: youngsters take part in a street parade during festivities celebrating Epiphany Photograph: Guillermo Legaria/AFP/Getty Images

Washington, US: a coat is left on a bench in front of tents belonging to Occupy DC protesters Photograph: Jewel Samad/AFP/Getty Images

Dublin mountains, Ireland: gardaí in the Slieve na mBan Og area of the Dublin mountains after skeletal remains were found by a group of hillwalkers Photograph: Julien Behal/PA

Warton, UK: flowers and tributes outside a house where three children and their teenage brother were killed by a fire Photograph: Christopher Furlong/Getty Images

Dortmund, Germany: penguins are reflected in the water at a zoo Photograph: Martin Meissner/AP

Johannesburg, South Africa: thousands of young students and their parents push through gates at the University of Johannesburg Photograph: Adrian de Kock/AP

Chengdu, China: migrant workers have an annual meal at a construction site Photograph: Reuters

Srinagar, India: Tibetan exiles carry their children on a cold day Photograph: Mukhtar Khan/AP

Manila, Philippines: thousands of Catholic devotees join the procession during the 405th Feast of the Black Nazarene Photograph: Dondi Tawatao/Getty Images

Encinitas, California, US: an African crowned crane found wandering the streets Photograph: Mike Blake/Reuters

New Delhi, India: people take pictures of a laser light show on the India Gate Monument Photograph: Kevin Frayer/AP