There was a heavy police presence in central Moscow on December 15 as antigovernment protesters held an unsanctioned rally outside the main headquarters of the Federal Security Service, the successor to the KGB. Several protesters, including leading opposition leaders, were detained and could face serious penalities under a draconian law on demonstrations passed earlier this year.
Unsanctioned Antigovernment Protest Held In Moscow

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Protesters laid flowers on a monument dedicated to victims of political repression near the headquarters of the Federal Security Service (FSB) on Moscow's Lubyanka Square.

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Independent sources estimated that the crowd of demonstrators numbered around 2,000 people.

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Opposition leader Sergei Udaltsov spoke at the demonstration on Lubyanka Square .

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A police helicopter loomed over the crowd all afternoon and police were also seen photographing demonstrators.