Ukraine is the largest Country in Europe. It has a population of around 45,000.
The Ukraine is split between pro-Russian sentiment in the east and those favoring closer ties to the EU in the west.
EU leaders have voiced wariness that Russia is seeking to weaken the bloc, according to EU President Donald Tusk. However, an EU plan to threaten Russia with sanctions for its part in attacks on Aleppo was put on hold.
Leaders from Germany, Russia, Ukraine and France are meeting in Berlin for talks on reviving the stalled peace process in eastern Ukraine. The leaders are also expected to address Russia's role in the Syria conflict.
The makers of a new movie shot in Poland and Ukraine are hoping that by tackling a taboo from the Second World War, the two nations will come to terms with the past. More than 100,000 Poles died at the hands of Ukrainian guerrillas and villagers, in what used to be pre-war Poland’s easternmost fringes between 1943 and 45. Julian Berner reports from Warsaw.