'Vova is crazy' Прославились....

Veduta, spokeswoman for anti-corruption blogger and opposition activist Alexei Navalny, speaks to media outside the entrance to the apartment block where Navalny lives in Moscow ( DENIS SINYAKOV, REUTERS / June 11 , 2012 )

Anti-corruption blogger Alexei Navalny, Sergei Udaltsov and Ilya Yashin are among those targeted by police.

The investigation relates to clashes between protesters and police on 6 May.

On Friday, President Vladimir Putin signed a new law sharply increasing fines for people who hold unsanctioned protests and cause damage or injury.

Russia’s Investigative Committee said police “intend to conduct 10 searches in all today”.

'Vova is crazy'

Russian police raid activist leaders' homes
Protest organisers asked to appear in court on Tuesday, when they had planned to attend mass opposition rally in Moscow.

Critics say Putin has moved to tighten restrictions on freedom of expression since his re-election

Russian police have raided the homes of prominent critics of President Vladimir Putin on the eve of an opposition rally expected to draw tens of thousands of people.

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Russian police search protest leaders' homes

Russian police officers guard the entrance of the building where opposition leader Alexei Navalny resides during a police search in Moscow on Monday.

Russian police search opposition leaders' homes

Police in Moscow are searching the homes of several opposition leaders on the eve of a planned anti-government rally, Russian officials say.