"At least one person is reportedly killed and others are taken hostage after an armed group seized control of a police building" . . "31 gunmen" . . . . . "Government of Armenia" . . "stormed a district police headquarters in Yerevan" . . "12,000-20,000 protesters" . . . . "Anti-government protesters" . . . . "2016 Yerevan hostage crisis" . "four-day hostage crisis" . "2016 Yerevan hostage crisis demonstrations" . "stormed a police station in Erebuni District of Yerevan" . . "2016 Yerevan hostage crisis" . "2016 Yerevan hostage crisis#Reactions" . . . "2016-07-31" . . . . . "seized a police headquarters in Yerevan in July 2016" . "Sasna Tsrrer armed group" . "Unknown" . "took over" . . . . "3 police officers killed," . "26 police officers wounded" . "Yerevan hostage crisis" . . "held the police building in Erebuni district of Yerevan" . . .