Moscow has opened an investigation into acts of violence against law enforcement during a protest on Sunday.
A representative of its Investigative Committee says all illegal activities will be assessed.
State media reports snowballs, bottles, flares and ice were thrown at police officers.
Stuart Smith has more from Moscow.
A representative of its Investigative Committee says all illegal activities will be assessed.
State media reports snowballs, bottles, flares and ice were thrown at police officers.
Stuart Smith has more from Moscow.
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