International investigators conclude that Malaysia Airlines flight MH17 is shot down by a Russian-made BUK missile fired from rebel-held eastern Ukraine, a Dutch paper says.

One AP investigation uncovered an attempt to sell bomb-grade uranium to a real buyer from the Middle East, the first known case of its kind.

Putin's action is a clear message to the West that Russia is a world power to be reckoned with. He is ready to use his military power to back his diplomatic goals. He is also sending a message to the West to not meddle with Russia over Ukraine.

Ukraine has said it will ban Russian airlines from flying into the country as part of sanctions over Moscow's support for rebels in the east.

The price of international food commodities registered their largest monthly drop in seven years in August, the UN food agency said on Thursday.

The vast majority of carbon credits generated by Russia and Ukraine did not represent cuts in emissions, according to a new study.

Memorial services are being held to mark the first anniversary of the MH17 air disaster, in which 298 people died.

65-year-old German woman gives birth to quadruplets after undergoing an artificial insemination procedure, Germany's RTL television reports.

Campaigners are urging Facebook to act against what they describe as Russian attempts to silence pro-Ukrainian voices.

An investigation by Russian opposition activists concludes that 220 Russian soldiers died in two major battles in eastern Ukraine.

Pro-Russian separatist rebels in eastern Ukraine free the two American aid workers seized ten days ago.

The offices of the International Rescue Committee (IRC) in eastern Ukraine is closed down by pro-Russian rebels who accused it of spying.

A Ukrainian journalist known for his pro-Russian views has been shot dead in the capital Kiev.

Russia and Ukraine agree to call for the withdrawal of more types of weapons in Ukraine's east, as fresh clashes renew fears for a truce there.

Germany plans to bring 100 mothballed tanks back into service in what is widely seen as a response to rising tensions with Russia over Ukraine.

Russia plans to station state-of-the art missiles in its westernmost Baltic enclave and deploy nuclear-capable bombers to Crimea as part of massive war games to showcase its resurgent military power amid bitter tensions with the West over Ukraine

A suspected gas blast at a coal mine in a rebel-held region of east Ukraine has killed at least 30 people and left some 40 missing, officials said.

US Secretary of State John Kerry says the US hopes the Ukraine ceasefire deal will be implemented within "hours".

The Ukrainian army suffers no casualties in 24 hours for the first time in weeks, raising hopes that a fragile ceasefire is starting to hold.

Pro-Russian separatist leader Alexander Zakharchenko announces plans to recruit 100,000 men, as fighting with Ukrainian forces intensifies.