The Andijan massacre occurred when Uzbek Interior Ministry and National Security Service (SNB) troops fired into a crowd of protesters in Andijan, Uzbekistan on 13 May 2005.[2][3] Estimates of those killed on 13 May range from between 187, the official count of the government, with most outside reports estimating several hundred dead.[1][4][5] A defector from the SNB alleged that 1,500 were killed.[6] The bodies of many of those who died were allegedly hidden in mass graves following the massacre.[7]