A pro-Russian fighter takes a photo on his cell phone of a burning cafe after impact of a mortar bomb, during fighting between Ukrainian government troops and pro-Russian militants at a checkpoint near the major highway which links Kharkiv, outside Slovyansk, Ukraine, early Thursday, May 22, 2014. Three days before Ukraine holds a presidential vote, pro-Russia insurgents attacked a military checkpoint Thursday in eastern Ukraine, killing at least 11 troops and wounding 30 others in the deadliest raid yet in weeks of fighting. (AP Photo/Rafael Yaghobzadeh)