Demonstrators who had gathered in a show of support for gunmen holding several hostages in a police station, clash with riot police in Yerevan, Armenia, July 20, 2016. REUTERS/Vahram Baghdasaryan/Photolure

Demonstrators who had gathered in a show of support for gunmen holding several hostages in a police station, clash with riot police in Yerevan, Armenia, July 20, 2016. REUTERS/Vahram Baghdasaryan/Photolure

Demonstrators who had gathered in a show of support for gunmen holding several hostages in a police station, clash with riot police in Yerevan, Armenia, July 20, 2016. REUTERS/Vahram Baghdasaryan/Photolure

July 26, 2016 12:45 AM (UTC+8)