Over 120,000 protesters, calling for political reform in Russia, marched through the streets of Moscow.
Chanting "Russia without Putin" and "Putin leave", protesters braved temperatures as low as -18 degrees.
The protest was the most recent in a string of protests over past few months expressing outrage at allegations of vote-rigging during the parliamentary poll in December.
Sri Lanka is one of the most dangerous places in the world to be a journalist. Tamil journalists are particularly at threat, with at least 41 media workers known to have been killed by the Sri Lankan state or its paramilitaries during and after the armed conflict.
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