On July 31, Moscow opposition activists held their traditional demonstration in support of Article 31 of the Russian Constitution (freedom of assembly). The demonstration is held on the 31st of each month having 31 day. As usual, the demonstration was banned by the authorities and dispersed by the police. Dozens of demonstrators were detained.
http://echo.msk.ru/blog/varlamov_i/699758-echo/ (see photos)
http://drugoi.livejournal.com/3313961.html#cutid1 (see photos)