Authorities in Texas have fired a white police officer who shot and killed an unarmed black college student.

Australia's opposition leader Bill Shorten says Australians must choose between Prime Minister Tony Abbott and same-sex marriage.

The European Union says a surge in attacks on government-held areas in eastern Ukraine violates a February peace deal with pro-Russia separatists.

Italy's navy rescues 52 migrants from a sinking rubber dinghy in the Mediterranean Sea, but a further 50 people are missing.

Rebel groups and pro-government forces have agreed a 48-hour ceasefire in three Syrian towns, activists say.

Former US President Jimmy Carter says recent liver surgery revealed that he has cancer and it has spread to other parts of his body.

As Libya peace talks begin in Geneva, the United Nations special envoy calls on the country's rival governments to reconcile this month.

New York's police union is encouraging its members to take photos of homeless people to bring attention to what they view as an increase in "quality-of-life offences" in the city.