Sergei Smirnov said all 19 were members of the banned Islamic group Hizb ut-Tahrir.
Smirnov was in Uzbekistan to discuss the fight against terrorism with security officials from the six members of the Shanghai Cooperation Organization (SCO). In addition to Russia and Uzbekistan, the regional grouping includes China, Kazakhstan, Kyrgyzstan, and Tajikistan.
(TASS)
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