Police detained more than 900 people protesting against the invasion Ukraine in 44 cities across Russia on Sunday, according to data released by an independent monitoring group, the BBC reports.
The OVD-Info group says it brings the total number of anti-war protesters detained in Russia to over 4,000 since the conflict began four days ago.
The BBC has not been able to independently verify either figure.
Sunday’s protests coincided with the seventh anniversary of the murder of opposition politician and Putin critic Boris Nemtsov.
Demonstrators in Moscow have been detained today at an improvised memorial near the Kremlin site where Nemtsov was shot.
One of the largest demonstrations was in St Petersburg, where several thousand protesters gathered in the city’s centre.
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