The site of an impact of a 120mm mortar bomb is seen at a checkpoint near Andriyivka village outside Slovyansk, eastern Ukraine, Saturday, May 17, 2014. Outside the strategic city of Slovyansk, which ... more 
The site of an impact of a 120mm mortar bomb is seen at a checkpoint near Andriyivka village outside Slovyansk, eastern Ukraine, Saturday, May 17, 2014. Outside the strategic city of Slovyansk, which has been the key stronghold of the pro-Russian insurgents for more than a month now, the armed separatists installed a new checkpoint on the eastern approaches of the city blocking the major highway which links Kharkiv, the capital of the neighboring region, and the Russian city of Rostov-on-Don across the border. (AP Photo/Alexander Zemlianichenko) less 
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Associated Press | Photo By Alexander Zemlianichenko
Sat, May 17, 2014 3:27 AM EDT