Germany formally protested to Russia on Monday over Moscow's refusal to let a conservative German lawmaker into the country, a decision the Foreign Ministry criticized as unacceptable amid East-West tensions over the Ukraine crisis.

• May 25, 2015

About 100 fighter jets from the United States and eight European nations began an Arctic training exercise in the Nordic nations on Monday, a region worried by increased Russian military activity.

• May 25, 2015

Russia would adopt a tough position if Ukraine decided not to pay off debts owed to Moscow by its previous government, Russian Prime Minister Dmitry Medvedev said in an interview broadcast by Russian TV on Saturday.

• May 23, 2015

Russia's foreign ministry has warned its citizens traveling abroad of the risks posed by U.S. law enforcement bodies and special services, which it said were hunting for Russians around the world.

• May 22, 2015

Looking over their shoulders at Russia, the European Union and six former Soviet neighbors patched up their differences to renew vows of cooperation in the interests of peace and security at a summit on Friday.

• May 22, 2015

Thirty-two energy companies led by Russia's Gazprom account for almost a third of all man-made greenhouse gas emissions if the burning of all the coal, oil and gas they produce is taken into account, a study said on Wednesday.

• May 20, 2015

Russia may allow around 20 firms from Hungary, Cyprus and Greece to return to its market after it orders the lifting of an embargo on food imports from the European Union, Interfax news agency quoted a senior official as saying on Tuesday.

• May 19, 2015

Ukraine on Monday accused two captured Russian servicemen of having killed Ukrainian troops in fighting in its east and said they would be prosecuted for "terrorist acts".

• May 18, 2015