Ukraine's President Poroshenko said Moscow showed no signs of backing off from his country and recent military activity shows the Kremlin is preparing for a much bigger conflict.
Russia has said its new military drill is not aimed at any particular state, but the planned map shows the hypothetical enemy is in Poland, Latvia and Lithuania.
Russia has a giant drill planned—and Poland fears the troops involved won't leave.
Russia's military flights over the Baltic have forced NATO to regularly scramble planes.
The Russian Il-20 aircraft flew to and from Kaliningrad—a course Russia has defended as a "necessity."
Despite repeatedly assuring his rivals that Russia's upcoming military exercises were just that, President Vladimir Putin faces regional doubts.
The upcoming Russian drill has concerned the Baltics, but it is Moscow-ally Belarus that should be worried, Mikheil Saakashvili says.
Moscow denies harassing its neighbors and has accused the U.S. of undermining Russia's own national security.
Russia's upcoming Zapad drill was described as a "simulated attack" by Lithuania's government.
Russia's tanks are "the best in the world," army chief says ahead of Olympic-style competition with China, India and others.
NATO allies have deployed a limited number of aircraft in Romania, which borders Ukraine, to assist with its air patrols. Russia is not happy.
The British and Turkish ships dock in Odessa as Kiev warns about a regression into deadly combat.
The Temple Mount attack has spurred a spate of vicious attacks on both sides
The country's U.S. base closed in 2014, as tensions between Russia and the West peaked over Ukraine's decision to topple the pro-Russian government in Kiev.
It is actually the United States, not Iran, that appears to be in breach of the Iran nuke deal.
Poland has already agreed to purchase the system, while Sweden will be next to experience it firsthand in a joint drill with U.S.
A handful of drone manufacturers are trying to entice Russia's military with designs that could fall under its 2020 modernization program.