Pro-Russian activists settling in outside the Kramatorsk military airfield. Ukrainian helicopters continue to land. Kyiv officials: No casualties among Ukrainian troops in Kramatorsk Helicopters circling over Sloviansk People discussing the possibility of setting up tents around the Kramatorsk airport Tymoshenko: Russia has de facto started a war on Ukraine. The elite Omega unit of the Interior Ministry has taken control of the airfield at Kramatorsk in Donetsk Oblast! Ukraine Ukraine's interim president Turchynov says Kramatorsk airfield has been retaken from pro-Russian militants ~Interfax Again shots fired at the airfield in Kramatorsk . A crying woman tells she's afraid that the war has startedAutomatic weapons just fired here at the airbase in Kramatorsk. Ukrainian soldiers telling the 300+ to back off Helicopters with Ukrainian special forces flying toward Kramatorsk, where operation underway to seize airfield, Gen Krotov told Ukraine Security Service confirms to TV2 Denmark that military operation has started here in kramatorsk. Be careful he said. The general here says the Russians don't play by the rules. 'It's time we fight back' Military jet fighters and fighter helicopters are in the sky of KramatorskRussia's aggression against Ukraine shows that we cannot take our security for granted Ukraine's military motorcade just entered Slovyansk with 500 soldiers, 20 APCs, 2 helicopters, a couple of buses. Poroshenko: separatists receive $500 each for assault on administrative buildings Ukrainian forces near IziumUkrainian forces 45km North to SlovyanskSource of colleague who's in the East right now says protesters who seized Kramatorsk police station drank a lot, got bored and left Thugs guarding Horlovka police stationFrom the Donetsk city council removed Ukrainian signsRussia's Foreign Ministry says its consulate in Chernihiv Ukraine was attacked last night by "a group of masked men". Ukrainian tanks in IzyumBarricade in SlavyanskHead of National Security and Defence Council Andriy Parubiy: First battalion of the National Guard deployed to the front line Ukraine - Turchynov says military operation in northern Donetsk region has begun Shtepa: in Slavyansk acting persons who arrived from Russia and Crimea At Moscow's request, President Obama spoke w/President Putin of Russia about the situation in Ukraine. Ukraine pro-Russia presidential candidate Oleg Tsarev beaten by angry mob Kremlin: Putin Watching Eastern Ukraine With 'Great Anxiety'

Map. History of Ukraine conflict

15 April 2014
Pro-Russian activists settling in outside the Kramatorsk military airfield. Ukrainian helicopters continue to land.
Helicopters circling over Sloviansk
The general here says the Russians don't play by the rules. 'It's time we fight back'
Ukrainian forces near Izium
Ukrainian forces 45km North to Slovyansk
Thugs guarding Horlovka police station
From the Donetsk city council removed Ukrainian signs
Ukrainian tanks in Izyum
Barricade in Slavyansk
At Moscow's request, President Obama spoke w/President Putin of Russia about the situation in Ukraine.