Wednesday: The day in photos

Kentucky Derby entry Nowhere To Hide shakes off water during a bath after a workout for the 135th Kentucky Derby at Churchill Downs in Louisville, Ky. The race kicks off Saturday.  (Garry Jones / Associated Press)

A competitor prepares for the International Mountain Balloon Competition in Krosno, Poland. Entrants form Poland, Lithuania and Latvia participate in contest.  (Darek Delmanowicz / EPA)

Travelers from an international flight are pictured on a thermographic imaging device as they arrived at Sofia airport in Bulgaria. The region has stepped up its checks on travelers due to the outbreak of swine flu in Mexico.  (Dimitar Dilkoff / AFP / Getty Images)

A Chinese police officer talks to a man who tried to self-immolate along a shopping street in Chongqing, China. The officer managed to extinguish the fire. The 41-year-old man is believed to have lost all his money in the ongoing financial crisis.  (AFP / Getty Images)

Israeli children play on military hardware during a display by the army at the Armored Corps Museum during Independence Day celebrations in Latrun, near Jerusalem. Israelis are celebrating Independence Day, marking the 61st anniversary of the creation of the state.  (Bernat Armangue / Associated Press)

A farmer holds a cow figurine painted in the colors of France’s flag with the phrase “fair milk” during a dairy farmers’ protest against low milk prices in Hanover, Germany.  (Nigel Treblin / AFP/Getty Images)

Palestinians build a house with clay after their home was destroyed in Israel’s last military operation in Gaza, in the Rafah refugee camp, southern Gaza Strip. Israel’s blockade on Gaza does not allow construction material into the Palestinian territory.  (Said Khatib / AFP/Getty Images)

Police officers arrest a woman after she allegedly attacked the chief executive officer of Swedish energy company Vattenfall, pouring green liquid over him at the company’s annual meeting in Stockholm, Sweden. In the background, environmental demonstrators carrying a banner about targeting Vattenfall’s coal power plants.  (Leif R. Jansson / AFP / Getty Images)

Tiger Woods hits a tee shot during the Pro-Am before the start of the Quail Hollow Championship at the Quail Hollow Club in Charlotte, N.C.  (Scott Halleran / Getty Images)