<p>Thousands took part</a> in anti-corruption protests in cities across Russia on June 12, Russia’s national holiday.</p><p>Russian opposition leader Alexei Navalny was reported</a> to have been arrested en route to a demonstration in Moscow. Navalny had called the previous day for protesters in Moscow to defy authorities and move a planned rally to a location near the Kremlin.</p><p>This video shows the protest in the city of Kazan.</p><br />
