A military court in Egypt has acquitted an army doctor accused of carrying out forced "virginity tests" on women protesters, state media reports.
Ahmed Adel was cleared because the judge found contradictions in witness statements, the state news agency said.
A newly-built section of a high-speed rail line has collapsed in China's central Hubei province following heavy rain, state media reports.
The line was set to open in May and had been in use for test runs.
Osama Bin Laden's three widows have been charged by Pakistan with illegally entering the country.
Interior Minister Rehman Malik said the women, reported to be two Saudis and a Yemeni, had been charged but did not say when the hearing took place.
Urgent action is needed to stop drought in West Africa's Sahel region turning into a humanitarian disaster affecting 13 million people, Oxfam says.
The charity says the international community waited too long to respond to famine in East Africa last year.
Brazil, one of the world's fastest-growing economies, grew by less than expected in 2011.
The Latin American nation's economy grew 2.7% last year, official figures show, less than the 2.8% predicted.
Huge explosions at an arms depot, which killed at least 146 people in Congo's capital, Brazzaville, were caused by a short-circuit that led to a fire, government officials say.
They say some 1,500 people were hurt.
At least 27 people have been killed after more than six dozen severe storms and tornadoes struck several states in the central US, authorities say.
Homes were flattened, schools and business smashed and vehicles and trees tossed aside by Friday's storms.
Two-thirds of China's cities will fail to meet new air quality standards, a senior environment official says.
The comments from Vice-Minister of Environmental Protection Wu Xiaoqing came two days after the Cabinet announced revised monitoring standards which will come to effect in 2016.