Ukraine's government said on April 23 the United States had promised to stand by it in the face of aggression, and announced that it would press ahead with a security operation to crack down on pro-Russian armed groups.
Russia's War Against Ukraine
Reuters: Ukraine’s leaders say have US backing to take on ‘aggressors’
An armed man in military fatigues stands guard outside a regional administration building seized by the separatists in the eastern Ukrainian city of Slavyansk on April 23, 2014. Pro-Kremlin rebels in Ukraine braced today for a renewed military offensive by Kiev as US troops headed to region in a show of force after Washington again warned Moscow over the escalating crisis. AFP PHOTO / KIRILL KUDRYAVTSEV
