Greek Prime Minister Alexis Tsipras says Western sanctions against Russia over its actions in Ukraine are "not productive".

Donald Trump has rescinded his offer to have a televised debate with Democratic candidate Bernie Sanders.

A small plane - believed to be a World War Two vintage aircraft - has crashed in the Hudson River between New York and New Jersey, US officials say.

Rebel's from Colombia's left-wing ELN group release Spanish journalist Salud Hernandez Mora who went missing last Saturday.

Skirmishes erupt between supporters and opponents of Republican presidential nominee Donald Trump as he visits the city of San Diego, California.

Brazil's interim President Michel Temer calls an emergency meeting of security officials after video of a gang rape of a teenage girl causes outrage.

The US military base on Japan's island of Okinawa imposes a curfew after the arrest of an ex-Marine suspected of killing a woman.

Heavy fighting is reported in northern Syria as so-called Islamic State tries to capture the key rebel-held town of Marea.