On Wednesday, NATO Secretary General Jens Stoltenberg said that Russia is still arming pro-Moscow separatists in Eastern Ukraine, despite a cease-fire agreement, and had has its own forces in the country, too. "Russia is present in eastern Ukraine," he told The New York Times, citing "our own intelligence" as well as "open sources." Reuters reports that Russia appears to be preparing to send in a lot more troops and heavy arms, including tanks, missile launchers, and artillery. EXCLUSIVE: #Russia masses heavy firepower on border with #Ukraine - witness.