A Thai girl takes care of her younger sister at an evacuation center after they fled home following the fighting between Thai and Cambodian soldiers in Surin Province, northeastern Thailand. Officials said Thailand and Cambodia have traded fire for a sixth day as an increasingly bloody border dispute drags on. Sakchai Lalit/AP
A parachutist of the Austrian Army special unit Jagdkommando lands next to St. Stephen's cathedral during an exercise in Vienna. Heinz-Peter Bader/Reuters
Lightning danced across the sky near Maysville, Ky. Terry Prather/The Ledger Independent/AP
Britain's Queen Elizabeth visits the Sainsbury Laboratory for Plant Sciences in the University of Cambridge Botanic Garden, in Cambridge, southern England. Andrew Winning /Reuters
A peacock watches visitors at a bird park on Kish Island, 1,250 kilometers (777 miles) south of Tehran, Iran. Caren Firouz/Reuters
A pack of riders climb up a vineyard in the Lavaux near Vevey, France, during the first stage of the Tour de Romandie cycling race. Denis Balibouse/Reuters
Nine year-old twins, Daniel Dane (r.) and Daniel Nelson sit on their father's Spanish breed horse, 'Almirante,' in a stable at a farm on the outskirts of Havana. Desmond Boylan/Reuters
A month-old ring tailed lemur (l.) receives a lick from it's 1-year-old sister 'Safina' (r.) in an exhibit at the Franklin Park Zoo, in Boston. The month-old lemur, one of a set of twins born March 31, 2011, has yet to receive a name or have its sex determined. Lemurs, endemic to Madagascar, are social animals that live in female-dominated groups in the wild. Steven Senne/AP
Afghan soldiers look out through the security hole of one of the gates at the airport after a firing incident in Kabul, Afghanistan. An Afghan Army officer opened fire on foreign troops after an argument at the airport in the capital, the latest in a spate of deadly incidents that have occurred inside government or military installations, the Defense Ministry said. Musadeq Sadeq/AP
In Pristina, a Kosovo Albanian man walks past the names of over 1,800 Kosovars, mostly Albanians, still missing from the 1998-99 Kosovo war. The names are posted on a brick wall in observance of the Day of Missing Persons. Visar Kryeziu/AP
A girl rests on a sofa next to a paper cutout representing Kate Middleton displayed at an exhibition on Royal Wedding souvenirs at a shopping mall in two days before the wedding between Prince William and Kate Middleton. Bobby Yip/Reuters
Young musicians joke after a ceremony where Spanish author Ana Maria Matute received the Premio Cervantes Literature Award at the University of Alcala de Henares, near Madrid. King Juan Carlos awarded Matute with Spain's top literary prize, an annual award named after the 16th century Spanish author Miguel de Cervantes. Andrea Comas /Reuters
Pedestrians walk among blooming trees reflected in a pond at Fellsmere Park in Malden, Mass. Bizuayehu Tesfaye/AP
Bob and Michele Winningham, from Yorba Linda, Calif., kiss under their umbrella during a rain delay before a baseball game between the Chicago Cubs and the Colorado Rockies in Chicago. The game is postponed due to rain and rescheduled for June 27. Charles Rex Arbogast/AP
Track and field's world governing body is disputing charges leveled by both a British newspaper and German broadcaster that doping continues to be a problem in the sport.
The world governing body for track and field (IAAF) fought back on Tuesday against media reports of suspected widespread doping in the sport, rejecting accusations it failed to investigate dubious drugs test results properly.