Over 100,000 demonstrators took to the bitterly cold streets of Moscow on Saturday to rally at competing events both for and against longtime leader Vladimir Putin.
All five presidential candidates will be provided an equal amount of free airtime on state-owned TV channels when campaigning in the mass media begins Feb. 4.
The father of FSB-officer-turned-Kremlin-critic Alexander Litvinenko called his son a "British spy" and said he no longer believes Russian authorities were responsible for his death.
A high-ranking United Russia party official said he believes liberal radio station Ekho Moskvy broke the law in publishing what he called an extremist letter by exiled tycoon and Kremlin critic Boris Berezovsky.
Prime Minister Vladimir Putin's presidential campaign said it would be willing to work with election observers from the newly formed civic group League of Voters, which was created in the wake of alleged mass falsifications by United Russia, the party Putin leads, in last year's State Duma elections.
The official in charge of Russia's pro-Kremlin youth groups found himself embroiled in scandal Thursday after hackers posted links to what they claimed were thousands of his private e-mail messages.
Forecasts say the temperature in Moscow will be about minus 16 degrees Celsius Saturday when tens of thousands of people will take to the streets, both in support of and in opposition to Prime Minister Vladimir Putin's run for the presidency.