UKRAINE

The U.S. government called for a prompt investigation into the killing of opposition leader Boris Nemtsov, who was shot dead in Moscow on Friday.

Boris Nemtsov had been due to lead a mass rally against Putin and the war in Ukraine this Sunday.

An unidentified attacker shot Nemtsov, 55, four times while he was walking near the Kremlin.

The payment gets Ukraine enough of a natural-gas supply from its contentious neighbor to meet demand for only a few days.

Four militants were involved in the jailbreak, but only two got away. One was shot dead and the other was recaptured.

Copenhagen police only described the alleged accomplice as a "young man" and didn't disclose his name for legal reasons.

Russia is moving ahead with the "creeping annexation" of two breakaway Georgian regions as part of an aggressive strategy to broaden its influence in the region, Georgia's foreign minister said Thursday.

One more step toward a lasting ceasefire, but not all weapons are silent in eastern Ukraine.

Russia is again leveraging its gas monopoly in Ukraine to pressure the government in Kiev.

Russia’s foreign minister also scoffed at the West's demands about a truce in the region, calling them "laughable."

NATO has expressed concerns over Russian military drills around the world since the beginning of the crisis in eastern Ukraine.

Government officials said they recorded militants gearing up to fight just outside Mariupol, a stragetic port seen as the next major battleground in the ongoing conflict.

Nadiya Savchenko was allegedly captured by pro-Russian rebels and taken to Moscow, charged with involvement in Russian journalists' deaths.

Around a quarter of Russian respondents said Russia shouldn't act if the U.S. provides weapons to Ukraine.

Poland is one of Russia's strongest critic and on Wednesday it stepped up its direct support for Ukraine.

Amid sanctions, food prices in Russia are rising.

For the first time since a ceasefire, nobody was killed in Ukraine over the past 24 hours. Meanwhile, Kiev wants lethal aid.

Russian media say a NATO parade in an Estonian border city was a deliberate provocation to anger Russia.

The Secretary of State accused Moscow of repeatedly lying about the presence of Russian troops and equipment in Ukraine.

Backed by a Russia unbowed by sanctions, Ukrainian rebels have made major gains -- and may not be done yet.

The war began in April 2014 and the deaths include 63 children, says the U.N. Another 14,500 have been wounded.