A lawyer for Nadia Savchenko, a Ukrainian air force officer who is on hunger strike in a Russian prison, says Russian authorities are investigating him for potential "extremist" language posted on his Twitter account.
German Chancellor Angela Merkel says fighting in eastern Ukraine has been reduced in recent weeks but that the Minsk cease-fire plan has not yet been fully implemented.
Thirteen U.S. senators have written to FIFA, soccer's world governing body, urging the organization to replace Russia as host of the 2018 World Cup.
Russian state-owned oil giant Rosneft says it has reached a settlement in a long-running dispute with shareholders of the now-defunct Yukos oil firm.
Ukrainian Communist Party leader Petro Symonenko has been summoned by the Ukrainian Security Service (SBU) for questioning over a recent trip to Russia.
Russia's energy minister says his country has a "take or pay" deal for natural gas with Ukraine that, in the absence of any fresh agreement, comes into effect on April 1.
The Ukrainian Security Service (SBU) has detained three people suspected of involvement in a series of explosions in the southeastern city of Odesa.
The United States has officially asked Swedish authorities to freeze more than $30 million in assets tied to investigations into possible bribery and money laundering involving Uzbek officials.
Russian President Vladimir Putin has decreed the creation of a federal agency to oversee ethnic issues in the huge, multiracial country.
The chief suspect in Russian opposition politician Boris Nemtsov's killing has denied his guilt, saying he confessed under pressure and was not at the scene of the crime.
The World Bank predicts Russia's economy will shrink more than previously forecast in the next two years as the effects of low oil prices and Western sanctions over Moscow's interference in Ukraine take hold
Ukraine has rejected Georgia's request for the extradition of former President Mikheil Saakashvili, saying it was politically motivated.