The final stage of Nigeria's election began on Saturday with voting for powerful state governors, two weeks after a presidential vote paved the way for the country's first democratic transfer of the top job.
Almost two thirds of Brazilians favor the impeachment of President Dilma Rousseff over a corruption scandal at state-run oil company Petrobras, but roughly as many doubt it would drive her from office, according to a poll released on Saturday.
China will limit visits by residents of the city of Shenzhen to neighbouring Hong Kong, a politician and media said on Sunday, following recent tension in the former British colony over growing numbers of mainland visitors.
The United States has promised support for China's campaign to hunt corrupt officials fleeing abroad, the official Xinhua news agency reported late Friday, after meetings between security officials from the world's two largest economies.
