Boxer Amir Khan (L) of Britain punches Luis Collazo of the U.S. during their welterweight fight at the MGM Grand Garden Arena in Las Vegas.
Children play with yellow coloured paper ships near a memorial altar for victims onboard passenger ship Sewol set up at Seoul City Hall Plaza.
A gust of wind blows off Pope Francis' cap during his weekly general audience at St. Peter's Square at the Vatican.
U.S. First Lady Michelle Obama gives a thumbs up as she takes her seat at the White House Correspondents' Association Dinner in Washington.
Illegal immigrants who were abandoned by traffickers in a remote desert area wait inside a military base in Dongola town, after being located by Sudanese and Libyan forces. The desert area between Sudan and Libya is a major route for illegal immigrants trying to escape Sudan's war-torn regions, with many of them transiting in Libya before trying to flee to Europe across the Mediterranean Sea.
Microsoft founder and technology advisor Bill Gates throws a newspaper during a competition at a trade show at the Berkshire Hathaway annual meeting in Omaha, Nebraska.
A Palestinian protester throws a stone towards an Israeli military bulldozer during a protest against the Jewish settlement of Qadomem, near the West Bank City of Nablus.
A pro-Russian activist aims a pistol at supporters of the Kiev government during clashes in the streets of Odessa, Ukraine.
A villager along with his cow walks through a parched land of a dried pond on a hot day on the outskirts of Bhubaneswar in the eastern Indian state of Odisha.
An oak tree that has lost all its leaves and most of its branches from a tornado is pictured at sunset near Vilonia, Arkansas.
A man wearing an American flag blindfold pretends to read a copy of the U.S. Constitution during protests for immigration and workers rights reform during May Day demonstrations in New York.
Injured children cry after, according to activists, two barrel bombs were thrown by forces loyal to Syria's president Bashar Al-Assad in Hullok neighbourhood of Aleppo May 1, 2014. At least 33 people were killed when Syrian government warplanes attacked a busy market in a rebel-controlled district of Aleppo on Thursday, the Syrian Observatory for Human Rights said.
Protesters shield themselves from police water cannon during a May Day demonstration in Istanbul, Turkey.
Tourist jumps inside an upside-down house at Fengjing Ancient Town, Jinshan District, south of Shanghai, China.
Corinthians soccer club fans cheer over a banner of late Formula One driver Ayrton Senna before the team's Copa do Brasil soccer match against rival club Nacional AM at the Arena Amazonas stadium in Manaus, Brazil.