Ukraine is the largest country in Europe. It has a population of around 43,000,000.
Ukraine is split roughly between pro-Russian sentiment in the east and those favoring closer ties to the EU in the west.
A young woman's murder has highlighted citizens' lack of faith in Ukraine's justice system. Critics fear the government may cover up the true nature of the killing, drawing parallels with a violent crime four years ago.
Germany's top diplomat Sigmar Gabriel has said a "smart" Brexit deal may serve as a model for relations with other non-EU states. However, the situation in Turkey must improve before it can enjoy closer ties, he said.
Amid soaring tensions in eastern Ukraine's conflict, the German chancellor has urged "immediate" steps to prevent more violence. But Russia said the Trump administration's latest decision could lead to "new bloodshed."
The Austrian village of Semmering was an icon of Alpine tourism. When the ski resort fell on hard times, dubious Ukrainian investors provided hope. But locals are now losing faith. Eugen Theise reports from Semmering.
Ukraine's security service have detained a government official who allegedly worked "in the interests of the enemy state." Local media reported the man as the prime minister's assistant, who accompanied him on key trips.