Armenia-Azerbaijan border fighting escalates, 13 killed

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Armenian soldiers take their position on the front line in Tavush region, Armenia, Tuesday, July 14, 2020. Skirmishes on the volatile Armenia-Azerbaijan border escalated Tuesday, marking the most serious outbreak of hostilities between the neighbors since the fighting in 2016. (Armenian Defense Ministry Press Service/PanPhoto via AP)

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An Armenian soldier looks through a binocular at his position on the front line in Tavush region, Armenia, Tuesday, July 14, 2020. Skirmishes on the volatile Armenia-Azerbaijan border escalated Tuesday, marking the most serious outbreak of hostilities between the neighbors since the fighting in 2016. (Armenian Defense Ministry Press Service/PanPhoto via AP)

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A damaged house is seen after shelling by Armenian forces in the Tovuz region of Azerbaijan, Tuesday, July 14, 2020. Skirmishes on the volatile Armenia-Azerbaijan border escalated Tuesday, marking the most serious outbreak of hostilities between the neighbors since the fighting in 2016. (AP Photo/Ramil Zeynalov)

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This photo taken from a footage distributed by Armenian Defense Ministry Press Service on July 14, 2020, shows the smoke from the explosions of the shelling by Armenian forces in the Tovuz region of Azerbaijan. Skirmishes on the volatile Armenia-Azerbaijan border escalated Tuesday, marking the most serious outbreak of hostilities between the neighbors since the fighting in 2016. (Armenian Defense Ministry Press Service via AP)

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This photo taken from a footage distributed by Armenian Defense Ministry Press Service on July 14, 2020, shows the smoke from the explosions of the shelling by Armenian forces in the Tovuz region of Azerbaijan. Skirmishes on the volatile Armenia-Azerbaijan border escalated Tuesday, marking the most serious outbreak of hostilities between the neighbors since the fighting in 2016. (Armenian Defense Ministry Press Service via AP)

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FILE - In this Tuesday, Nov. 5, 2013 file photo, Armenian soldiers shoot during a ceremony marking the Day of Intelligence Troops in Yerevan, Armenia. Fighting between Armenian and Azerbaijani forces escalated Tuesday, July 13, 2020 with Azerbaijan reporting seven more troops killed, including a general, and Armenia saying it has lost two servicemen. An Azerbaijani civilian also died from Armenian shelling Tuesday, Azerbaijan's Foreign Ministry said, bringing total casualties from the fighting to 14. (AP Photo/PanARMENIAN Photo, Hrant Khachatryan, File)

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In this grab taken from the Associated Press Television footage made available on Monday, April 4, 2016, Armenian soldiers pass a Grad missile launcher on Sunday, April 3, 2016, in the village of Mardakert, in the separatist region forces of Nagorno-Karabakh. Skirmishes on the volatile Armenia-Azerbaijan border escalated Tuesday, July 14, 2020 marking the most serious outbreak of hostilities between the neighbors since the fighting in 2016. (AP Photo, File)

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A local woman shows damage in her house after the shelling by Armenian forces in the Tovuz region of Azerbaijan, Tuesday, July 14, 2020. Skirmishes on the volatile Armenia-Azerbaijan border escalated Tuesday, marking the most serious outbreak of hostilities between the neighbors since the fighting in 2016. (AP Photo/Ramil Zeynalov)

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In this grab taken from the Associated Press Television footage made available on Monday, April 4, 2016, Armenian soldiers pass a Grad missile launcher on Sunday, April 3, 2016, in the village of Mardakert, in the separatist region forces of Nagorno-Karabakh. Skirmishes on the volatile Armenia-Azerbaijan border escalated Tuesday, July 14, 2020 marking the most serious outbreak of hostilities between the neighbors since the fighting in 2016. (AP Photo, File)