In a parallel incident in Moscow on Saturday, police detained three persons among a group of 50 who were trying to mark the 50th anniversary of the 1968 Red Square protest against the Soviet invasion of Czechoslovakia.
The liberal newspaper Novaya Gazeta said two of those detained were relatives of some of the eight Soviet protesters who in 1968 stood on Red Square before being hauled away by KGB secret police.
Protesters on Saturday had tried to unfold a banner that read “For your freedom and ours,” the same slogan used by protesters in 1968.
Russian opposition leader Alexei Navalny has been detained outside his Moscow home, according to his spokeswoman. The 42-year-old blogger spent June in jail after organizing protests against President Vladimir Putin.
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