Their top diplomats say they want to pursue dialogue as fears of Russian military action persist.
The US-Russia talks generated headlines but little concrete change, writes the BBC's Anthony Zurcher.
"My show ain't ready," the star tells fans, one night before her concert series was due to begin.
The Bat Out Of Hell singer is remembered by musicians including Cher, Brian May and Bonnie Tyler.
Videos show destroyed buildings after a truck carrying explosives in Ghana is hit a motorbike.
An underground network of animal lovers is helping Hong Kong hamster owners.
The banana-like crop has the potential to feed more than 100 million people, according to research.
Four men face life in prison if convicted of the "state-sponsored hijack" of the Ryanair flight.
Security training saved the lives of the hostages at Congregation Beth Israel. Is this the new norm?
The ad, which showed a Muslim mother expressing support for her drag queen son, was criticised online.
It depicts how close we are to armageddon – but where did it come from?
Activists in Kazakhstan say they are being arrested and beaten as police crack down after unrest.
Rescue workers have been pulling bodies from rubble after the site was destroyed in an air strike.
Congressional investigators believe she pressed her father to try to call off the rioters.
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