The police of Kabardino-Balkaria have blockaded a group of militants in an apartment in the center of Nalchik, RIA Novosti reports.
The operation started at 07.30 (Moscow time), a spokesman of the operative headquarters of Kabardino-Balkaria said.
The police suspect that Astimir Mamishev, suspected murderer of mufti Anas Pshikhachev in December, is among the militants.