24 hours in pictures

Seoul, South Korea: Monks parade during the Buddha era 2556 lotus lantern festival Photograph: Jeon Heon-Kyun/EPA

Chicago, US: A demonstrator gestures during a protest before the start of a Nato summit Photograph: Eric Thayer/Reuters

Geneva, Switzerland: Syrians residing abroad take part in a European demonstration against the regime Photograph: Fabrice Coffrini/AFP/Getty Images

Belgrade, Serbia: A man casts his ballot during the second round of presidential elections Photograph: Andrej Cukic/EPA

Charlotte, US: Martin Truex Jr sits in his car before the start of practice for the Nascar sprint showdown Photograph: Jared C. Tilton/Getty Images

Ter Apel, the Netherlands: An asylum seeker rests inside a tent outside the application centre Photograph: Robin Utrecht/EPA

Clanwilliam, South Africa: Workers prepare sheep heads for the annual sheep head eating contest at Bushman's Cave. The event is an unofficial world record attempt at consuming the largest amount of sheep heads on one property at one time Photograph: Morne De Klerk/Getty Images

Tripoli, Libya: A woman leaves a public school after registering to vote. The ruling National Transitional Council has pledged to hold the elections by 19 June Photograph: Gianluigi Guercia/AFP/Getty Images

Manila, Philipinnes: Boys contort their faces as they try to slide a coin from their foreheads to their mouths in a competition on the annual feast day of St Rita of Cascia Photograph: Noel Celis/AFP/Getty Images

Baltimore, US: Race fans watch preliminary heats before the Preakness stakes Photograph: Kevin Lamarque/Reuters

Asira al-Qibliya, West Bank: Palestinians run from teargas fired by Israeli security forces during clashes with Jewish settlers Photograph: Nasser Ishtayeh/AP

Moscow, Russia: A man gets a tattoo during the International Tattoo Convention 2012 Photograph: Maxim Shipenkov/EPA

Islamabad, Pakistan: Girls walk down an alley carrying bowls of water on their heads Photograph: Muhammed Muheisen/AP

Khakassia, Russia: Trucks drive along the picturesque M53 highway Photograph: ILYA NAYMUSHIN/REUTERS

New York, US: Adam Scott grapples with inner-city traffic on location for The Secret Life of Walter Mitty Photograph: Bobby Bank/WireImage

Hamburg, Germany: The hoofs of Macrider Premier ridden by Ata van Essen of the Netherlands, who are competing in dressage at the Hamburg derby Photograph: Markus Schreiber/AP

Maryland, US: David Cameron, Barack Obama, Angela Merkel, José Manuel Barroso, François Hollande (seated) and advisers watch the penalty shootout that determined the Bayern Munich v Chelsea Champions League final in the Laurel Cabin conference room during the G8 summit at Camp David Photograph: Pete Souza/Reuters