<p>Russia's opposition said on Tuesday that investigators had launched raids on its offices across the country, in the latest move to put pressure on government critics.</p>.<p>"They started at 6:00 am and are taking place in at least 30 addresses," opposition leader Alexei Navalny said on Twitter.</p>.<p>"The 'law enforcement system of Russia' is using all of its efforts to protect corrupt officials and bribe takers."</p>.<p>Ivan Zhdanov, the director of Navalny's Anti-Corruption Foundation (FBK), said the raids were taking place in 15 cities and that investigators were outside the foundation's offices in Moscow.</p>.<p>They come less than a week after Russian authorities declared the FBK a "foreign agent", the latest move to increase pressure on the opposition.</p>.<p>Authorities claim that FBK, which often publishes investigations into top state officials, receives funding from foreign organisations, a claim it denies.</p>.<p>Mass raids were carried out at dozens of opposition offices last month, shortly after municipal elections that saw Kremlin allies suffer significant losses.</p>
<p>Russia's opposition said on Tuesday that investigators had launched raids on its offices across the country, in the latest move to put pressure on government critics.</p>.<p>"They started at 6:00 am and are taking place in at least 30 addresses," opposition leader Alexei Navalny said on Twitter.</p>.<p>"The 'law enforcement system of Russia' is using all of its efforts to protect corrupt officials and bribe takers."</p>.<p>Ivan Zhdanov, the director of Navalny's Anti-Corruption Foundation (FBK), said the raids were taking place in 15 cities and that investigators were outside the foundation's offices in Moscow.</p>.<p>They come less than a week after Russian authorities declared the FBK a "foreign agent", the latest move to increase pressure on the opposition.</p>.<p>Authorities claim that FBK, which often publishes investigations into top state officials, receives funding from foreign organisations, a claim it denies.</p>.<p>Mass raids were carried out at dozens of opposition offices last month, shortly after municipal elections that saw Kremlin allies suffer significant losses.</p>