Nagorno-Karabakh army self-propelled artillery vehicles stand on positions in Nagorno-Karabakh, Azerbaijan, Tuesday, April 5, 2016. Azerbaijan forces and separatist forces in Nagorno-Karabakh agreed on a cease-fire Tuesday following three days of the heaviest fighting in the region since 1994, the Azeri defense ministry announced.. (Photo by Vahan Stepanyan/PAN Photo via AP Photo)
