24 hours in pictures

Pattaya, Thailand: couples kiss during a competition for the world's longest continuous kiss in the hope of breaking the Guinness world record, and to receive prizes totalling more than 200,000 Thai baht (£4,300) and a diamond ring Photograph: Pornchai Kittiwongsakul/AFP/Getty Images

Tegucigalpa, Honduras: soldiers man a checkpoint during a joint police-army security operation Photograph: Orlando Sierra/AFP/Getty Images

Kapetakan, West Java, Indonesia: a worker pours water on snakes before cutting their skins at a snake slaughterhouse Photograph: Beawiharta/Reuters

Laza, Spain: revellers use fire extinguishers during a flour fight at the O Entroido festival Photograph: Miguel Vidal/Reuters

Mexico City, Mexico: a woman dressed as a cardinal and wearing a mask holds a banner while yelling slogans against the Catholic clergy outside the Metropolitan cathedral Photograph: Tomas Bravo/Reuters

Sana'a, Yemen: Girls appear through holes in a big Yemeni flag as they take part in a parade commemorating the second anniversary of the 2011 uprising Photograph: Yahya Arhab/EPA

New York, New York, USA: a chow chow named Tommy is petted during the first day of the 2013 Westminster Kennel Club Dog Show Photograph: Justin Lane/EPA

Valencia, Spain: a man works on a ninot, a large puppet for the Fallas festival, outside his workshop. The Fallas festival celebrates the arrival of spring with fireworks, fiestas and bonfires Photograph: David Ramos/Getty Images

Serjilla, Syria: a girl stands at the entrance of a makeshift home set up in the catacombs of a building in the ancient Roman city after fleeing the fighting Photograph: Daniel Leal-Olivas/AFP/Getty Images

Rangoon, Burma: a man feeds seagulls from the window of a passenger ferry Photograph: Chris McGrath/Getty Images

Managua, Nicaragua: schoolchildren play at the Jean Paul Genie primary school during the year's first day of classes Photograph: Hector Retamal/AFP/Getty Images

Sanabis, Bahrain: protesters carry stones during clashes with riot police following an anti-government rally Photograph: Mohammed Al-Shaikh/AFP/Getty Images

Sinuiju, North Korea: soldiers stand guard along the Yalu River across from the Chinese city of Dandong. North Korea confirmed it had carried out an underground nuclear test, drawing immediate condemnation from South Korea Photograph: Mark Ralston/AFP/Getty Images