US President Barack Obama is to hold talks in Poland - with the Ukraine crisis and security in eastern Europe likely to top the agenda.

Chinese authorities restrict the activities of dissidents and ramp up security a day before the 25th anniversary of the Tiananmen massacre.

The company's CEO Kevin Systrom says Instagram's rules on nudity are "fair" and help keep it safe for all users.

Federal police officers in Brazil are offered a 15.8% pay rise in an effort to stop them from going on strike during the football World Cup.

Heavy fighting is taking place in and around the eastern Ukrainian town of Sloviansk, Russian and Ukrainian media are reporting.

Legendary American football quarterback Dan Marino sues the National Football League, alleging it hid the danger of head trauma from its players.

Australia's unsuccessful bid team dismiss allegations their pursuit of the 2022 World Cup involved illegal payments.

Conservationists challenge football's governing body Fifa to do more to protect the armadillo that inspired this summer's World Cup mascot.