A relative mourns during a farewell ceremony for Pvt. Sasun Mkrtchyan, Armenian serviceman who was killed during fighting in the separatist region of Nagorno-Karabakh, in Yerevan, Armenia, Monday, April 4, 2016. Fighting raged Monday around the separatist region of Nagorno-Karabakh, with Azerbaijan saying three of its troops have been killed in the past 24 hours and the Armenian president warning that the hostilities could slide into a full-scale war. (Varo Rafayelyan/ PAN Photo via AP)
