One of them, a former British soldier, this week became the second to die in the conflict.
Parliament has voted to expand the nation's troop level to 250,000, as heavy weapons withdraw on the front lines.
The U.S. military will arrive in Romania and Bulgaria before expanding operations to other regions of Eastern Europe.
The Russian air force has caused increasing trouble for air traffic in Europe since early 2014.
The peacetime accord comes two weeks after Sweden signed a war pact with Finland.
Ukraine says rebels violated the ceasefire six times between Monday and Tuesday.
The former Soviet country is likely to release official results Monday.
The offensive has been a long time coming. Prime Minister al-Abadi gave militants one last chance to turn themselves in before the offensive begins.
The opposition politician was shot four times as he walked in Moscow.
Police called it a "mob action carried out by an irate crowd" in the northeastern city of Bauchi.
Police pepper-sprayed demonstrators to break up scuffles in the district of Yuen Long.
One more step toward a lasting ceasefire, but not all weapons are silent in eastern Ukraine.
NATO members are being asked to spend 2 percent of GDP on defense. That is a pipe dream for most member nations.
Nadiya Savchenko was allegedly captured by pro-Russian rebels and taken to Moscow, charged with involvement in Russian journalists' deaths.
For the first time since a ceasefire, nobody was killed in Ukraine over the past 24 hours. Meanwhile, Kiev wants lethal aid.
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.
The drones are reported to be conducting reconnaissance flights over the disputed region.
Regular Russian soldiers are said to have fought within various divisions of the rebel groups in the battle for the Ukrainian city.
The two neutral countries are bonding over a shared fear of Russia.
The nonlethal drones will help the Ukrainian military's reconnaissance operations.
An Islamist militant group claims to have used aircraft to bomb targets in the Libyan civil war.
Despite the fall of Debaltseve, NATO claims that Russia is continuing to send tanks and artillery into Ukraine.
Debaltseve sits at the intersection of two major highways that connect the self-proclaimed separatist republics of Luhansk and Donetsk.
Warsaw is boosting its defense budget by $42 billion, as a "new cold war" with Russia festers.
The U.S. State Department says five people have died in violations of the Ukraine ceasefire agreement.
The A-10 was designed in the 1970s to kill Russian tanks. It never had to, but now it's being sent to Russia's doorstep.
The Minsk ceasefire doesn't take effect until Sunday. That means people will still die in east Ukraine until then.
The Authorization for Use of Military Force may shape U.S. antiterrorism policy for years. What does it really say?
President Obama formally asked Congress on Wednesday for increased powers to fight ISIS. Lawmakers are split on ground troops.
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