Via Interfax:
Federal Security Service officials have submitted to the Prosecutor General's Office materials stating that several high-ranking officials from the Interior Ministry's Main Department for the Prevention of Extremism extorted a large amount of money from a Moscow Muslim community, Kommersant daily reports.
"The Federal Security Service officers obtained information that a major extortion incident had occurred in the Moscow Lefortovsky market before the New year holidays. According to that information, a group of police officers went to the market under the pretext of an inspection, suspended the market's operation and demanded 1 million rubles from traders for permission to resume work," Kommersant writes.(...)
According to Kommersant, the police said they were checking reports stating that there was an illegal extremist center disguised as a prayer room at the market, which was visited by Muslim traders and Tajik workers from nearby construction sites.
(source)
