Police officers detain an opposition candidate and lawyer at the Foundation for Fighting Corruption Lyubov Sobol prior to an unsanctioned rally in the center of Moscow, Russia, Saturday, July 27, 2019. OVD-Info, an organization that monitors political arrests, said about 50 people had been detained by 1:30 p.m. Saturday (1030 GMT), a half-hour before the protest against the exclusion of opposition figures from the ballot for city council elections was to start. (AP Photo/Dmitry Serebryakov)