Article Photos: Ukraine cease-fire begins, but US still skeptical 1/23

Unmarked military vehicles burn on a country road in the village of Berezove, eastern Ukraine, Thursday, Sept. 4, 2014, after a clash between pro-government troops and Russian-backed separatist militia. Separatist rebels have made major strides in their offensive against Ukrainian government forces in recent days, drawing on what Ukraine and NATO says is ample support from the Russian military. (AP Photo/Sergei Grits)