Brexit 'creates uncertainties', says Arkady Dvorkovich
Alexander Shchetinin found dead with a gun near his body after friends tried to visit him at home
Whether tensions escalate or subside will depend most upon the political calculus of Russia. Previously, Moscow had hoped that sustained economic, military and political pressure could lead to significant loss of support within Ukraine for its pro-Western government
Vladimir Putin, his opponents repeatedly point out, has form on this. The war between Russia and Georgia took place in 2008 at the time of the Beijing Olympics
Frank-Walter Steinmeier urged the military alliance to prioritise diplomacy
Ukrainian pilot turned politician calls for West to intervene in Ukraine crisis, though admits 'nobody wants a Third World War'
Investigators said their final report would detail the nature of the weapon used and the exact location from which it was fired
Exercises includes night-time helicopter assault and the dropping of US paratroopers to build a temporary bridge over Poland's Vistula river
Russia has had a tough job winning over Europe in recent years given its poor gay rights and the Ukraine crisis
The pair face sentences of 14 years, although they could be swapped for Ukranian pilot Nadiya Savchenko who was jailed by a Russian court last month
Leader steps down in a televised address and will deliver formal resignation on Tuesday
The head of Ukraine’s populist Radical party has called for an investigation into the allegations
Nadiya Savchenko has been found guilty of complicity in the murder of two Russian journalists
'The result is an expected one, but all the same it’s pretty painful'
Ms Savchenko has already been on hunger strike and has said she will stop drinking water 10 days after the verdict
Here are the answers to this week's quiz...