The US city of Philadelphia introduces a tax on carbonated sugary drinks, despite a multimillion-dollar campaign by the beverage industry to block it.

Brazil's Tourism Minister Henrique Alves becomes the third to leave interim President Michel Temer's government, after being accused of taking bribes.

Guatemala's former president and vice-president have been formally charged with corruption and money-laundering.

Microsoft teams up with Californian technology start-up Kind Financial to help track legalised marijuana sales

An attack by knife-wielding men at a railway station in Kunming, south-west China, has left at least 29 people dead, the state news agency says.

A news conference by a recently released Hong Kong bookseller Lam Wing-kee had some intriguing revelations about his eight months in Chinese detention.

The Middle East has been the worst hit by significant rise in sand and dust storms, with major impacts on human health, UN scientists say.

Bernie Sanders promises to work with the presumptive Democratic presidential nominee, Hillary Clinton, but stops short of endorsing her.