Helicopters and a fighter jet circled the skies above the tense eastern Ukrainian city of Kramatorsk on Wednesday, while on the streets below a column of tanks rolled through the city - one with a Russian flag affixed. A convoy of armored personnel carriers also entered the city of Slaviansk, some carrying Russian or regional separatist flags.
CNN: Militants, army face off in east amid soaring tensions

Armed men wearing military fatigues gather around Armoured Personnel Carriers (APC) as they stand guard outside the regional state building seized by pro-Russian separatists in the eastern Ukrainian city of Slovyansk on April 16, 2014.