Sweden beefed up its military presence in the Stockholm archipelago on Saturday to scour its waters for "foreign underwater activity", a mobilization of Swedish ships, troops and helicopters unseen since the Cold War.
The German capital will mark the 25th anniversary of the fall of the Berlin Wall with a huge street party around the Brandenburg Gate celebrating the part ordinary people played in bringing down communism in eastern Europe.
President Vladimir Putin said on Thursday Western sanctions against Russia violated the principles of the World Trade Organization and the main way to combat them was to develop the domestic market.
Ukraine ratified a sweeping agreement with the European Union on Tuesday - an issue at the heart of the Russia-West crisis over its future - and sought to blunt the independence drive of Russian-backed separatists by offering them temporary and limited self-rule.
