MOSCOW, March 6 - RAPSI, Diana Gutsul. An administrative case of oppositionist Alexei Navalny, accused of violating procedure for holding the rally on Pushkinskaya Square in Moscow, will be heard on March 15.

The opposition rally on on Monday against the outcome of presidential elections won by Prime Minister Vladimir Putin developed into an unauthorized procession. The police had to detain the activists who did not follow their requirements, including blogger Alexei Navalny and Left Front coordinator Sergei Udaltsov.

According to the Moscow police, the number of people who took part in the rally For Fair Elections amounted to about 14,000 people.

On Monday the police reported that all demonstrators including Navalny and Udaltsov were released after it completed administrative reports.

In general, a total of 250 people were detained. All of them were delivered to police departments for the police to draw up reports and decide of their administrative responsibility.