Russian opposition leader Alexei Navalny was sentenced to 15 days behind bars and fined after staging the biggest anti-corruption protests in years.<br/><br/>A Moscow district court yesterday ordered Navalny to serve 15 days in jail after finding him guilty of disobeying police orders. He was also fined 20,000 rubles for organising an unsanctioned protest.<br/><br/>The lawyer turned activist, 40, who has announced plans to run for president next year, called Sunday's protests after publishing a report accusing Prime Minister Dmitry Medvedev of controlling a property empire through a shadowy network of nonprofit organisations.