Actor George Clooney, center, Rep. Jim Moran, D-Va, back, and Clooney's father, Nick Clooney, right, are arrested during a protest at the Sudanese Embassy in Washington. The demonstrators are protesting the escalating humanitarian emergency in Sudan that threatens the lives of 500,000 people. (AP)

The coffins of victims of the Sierre bus crash are placed in a hangar at Melsbroek military airport in Belgium after returning from Switzerland. Belgian military aircraft began returning home the bodies of 22 children and six adults killed in a bus crash in Switzerland as the country prepared to observe a minute's silence to remember the victims. (Reuters)

El Atazar reservoir near El Berrueco in Madrid's region. Spanish farmers are already on drought alert after the country's driest winter in 70 years. (AFP)

A man raises Apple's new iPad after purchasing it at the 5th Avenue Apple Store in New York. The new iPad went on sale in 10 countries, including the United States, Canada, Singapore, France and Britain. (Reuters)

An old man drags sacks of cotton to be used for quilts to earn his living in Peshawar, Pakistan. (AP)

Thousands of Libyans pray over the coffins of five individuals, who are suspected of being killed in 1984 under the former Moammar Ghadafi regime, during their funeral in Tripoli's Martyrs' Square. The five identified bodies were found amongst other unknown corpses stored in refrigerators at Tripoli Central Hospital. (AFP)

Trash clogs up a polluted canal at the edge of Beijing. China said that two-thirds of its cities currently fail to meet new air-quality standards introduced this week that are based on the pollutants most harmful to health. (AFP)

An Ethiopian migrant waits to be repatriated at a transit center in the western Yemeni town of Haradh, on the border with Saudi Arabia. Some 12,000 migrants, mostly from the Horn of Africa, are stranded in Haradh, which they use as a stepping stone to reach Saudi Arabia, according to the International Organization for Migration. (Reuters)

Joerg Grossmann drives his motorcycle combination with a Kawasaki VN 1500 and a self-developed side car on a road near Usingen, Germany. (AP)