MOSCOW - Russia's steady buildup of military forces along its border with Ukraine is raising concerns that Moscow, which annexed Crimea in 2014 and then began backing separatists in eastern Ukraine militarily - including with Russian troops - may be considering an overt military campaign against its southwestern neighbor.
Voice of America: Russian troop buildup along Ukraine border raises war fears
(File) Pro-Russia rebels sappers stand on a tank as they search for explosive devices in destroyed Donetsk international airport on October 13, 2015.
