Police drag a protester away from an unauthorised rally in central Moscow, Russia on Monday, June 12, 2017. (Photo by Vasily Maximov/AFP Photo)





A young demonstrator shouts as he is blocked by police during a rally in Moscow, Russia on Monday, June 12, 2017. (Photo by Alexander Zemlianichenko/AP Photo)





Russian police officers detain Maria Baronova, a coordinator of Khodorkovsky' s Open Russia organization as she participates at the unauthorized opposition rally in Tverskaya street in central Moscow on June 12, 2017. (Photo by Vasily Maximov/AFP Photo)





Police officers remove a participant from an unauthorised protest in central St Petersburg, Russia on Monday, June 12, 2017. (Photo by Olga Maltseva/AFP Photo)





Police clash with participants of an unauthorised rally in St Petersburg, Russia on Monday, June 12, 2017. (Photo by Olga Maltseva/AFP Photo)





A young girl reacts after her friend was detained by police during a Moscow protest in Moscow, Russia on Monday, June 12, 2017. (Photo by Pavel Golovkin/AP Photo)





Police detain a protester during a demonstration in downtown Moscow, Russia, Monday, June 12, 2017. (Photo by Pavel Golovkin/AP Photo)





Russian police officers detain a participant of an unauthorized opposition rally in Tverskaya street in central Moscow on June 12, 2017. (Photo by AFP Photo/Stringer)





A protester waves a Russian flag during a demonstration in downtown Moscow, Russia, Monday, June 12, 2017. (Photo by Pavel Golovkin/AP Photo)





Dozens of protesters attend a demonstration in downtown Moscow, Russia on Monday, June 12, 2017. (Photo by Pavel Golovkin/AP Photo)





Riot police officers detain a participant of an unauthorized opposition rally in centre of Saint Petersburg on June 12, 2017. Over 200 people were detained on June 12, 2017 by police at opposition protests called by Kremlin critic Alexei Navalny, said a Russian NGO tracking arrests. “About 121 people were detained in Moscow up to this point. In Saint-Petersburg – 137”, OVD-Info group, which operates a detention hotline, wrote on Twitter. (Photo by Olga Maltseva/AFP Photo)





Russian police officers detain a participant of an unauthorized opposition rally in Tverskaya street in central Moscow on June 12, 2017. (Photo by AFP Photo/Stringer)





Russian police officers detain a participant of an unauthorized opposition rally in Saint Petersburg on June 12, 2017. (Photo by Olga Maltseva/AFP Photo)





Russian police officers take into custody a protester during an unauthorized rally after Russian liberal opposition leader Alexei Navalny called to hold a protest in Tverskaya street in Moscow, Russia on June 12, 2017. (Photo by Sefa Karacan/Anadolu Agency/Getty Images)





Russian police officers detain a participant of an unauthorized opposition rally holding a Russian flag in Saint Petersburg on June 12, 2017. (Photo by Olga Maltseva/AFP Photo)





Russian police officers detain a participant of an unauthorized opposition rally in Tverskaya street in central Moscow on June 12, 2017. (Photo by AFP Photo/Stringer)





Police line up during a demonstration in downtown Moscow, Russia, Monday, June 12, 2017. (Photo by Pavel Golovkin/AP Photo)





Demonstrators shout slogans during an anti-corruption protest in central St. Petersburg, Russia on Monday, June 12, 2017. (Photo by Anton Vaganov/Reuters)





Riot police detain Russian opposition figure Ilya Yashin during an anti-corruption protest organised by opposition leader Alexei Navalny, in central Moscow, Russia on Monday, June 12, 2017. (Photo by Sergei Karpukhin/Reuters)





Riot police detain activist Yulia Galyamina during an anti-corruption protest organised by opposition leader Alexei Navalny, on Tverskaya Street in central Moscow, Russia on Monday, June 12, 2017. (Photo by Maxim Shemetov/Reuters)





A couple sits in front of riot police standing guard during an anti-corruption protest organised by opposition leader Alexei Navalny, on Tverskaya Street in central Moscow, Russia on Monday, June 12, 2017. (Photo by Maxim Shemetov/Reuters)





Riot police detain a man during an anti-corruption protest organised by opposition leader Alexei Navalny, on Tverskaya Street in central Moscow, Russia on Monday, June 12, 2017. (Photo by Maxim Shemetov/Reuters)





A demonstrator is detained by riot police during an anti-corruption protest organised by opposition leader Alexei Navalny, on Tverskaya Street in Moscow, Russia on Monday, June 12, 2017. (Photo by Tatyana Makeyeva/Reuters)





Riot police detain a man dressed in a t-shirt depicting opposition leader Alexei Navalny, during the Navalny-led anti-corruption protest in central Moscow, Russia on Monday, June 12, 2017. (Photo by Tatyana Makeyeva/Reuters)





Servicemen of the Russian National Guard gather during an anti-corruption protest organised by opposition leader Alexei Navalny, in Moscow, Russia on Monday, June 12, 2017. (Photo by Tatyana Makeyeva/Reuters)





Riot police detain a demonstrator during an anti-corruption protest in central St. Petersburg, Russia on Monday, June 12, 2017. (Photo by Anton Vaganov/Reuters)





Demonstrators take part in an anti-corruption protest in central St. Petersburg, Russia on Monday, June 12, 2017. (Photo by Anton Vaganov/Reuters)





Riot police detain demonstrators during an anti-corruption protest in central St. Petersburg, Russia on Monday, June 12, 2017. (Photo by Anton Vaganov/Reuters)





Police detain a participant during an unauthorized opposition rally in Moscow on June 12, 2017. (Photo by Mladen Antonov/AFP Photo)





Police detain a protester In Moscow, Russia, Monday, June 12, 2017. Demonstrators in Monday's opposition protests across Russia say they are fed up with endemic corruption among officials. The protest gatherings in cities from Far East Pacific ports to St. Petersburg were spearheaded by Alexei Navalny, the anti-corruption campaigner who has become the Kremlin's most visible opponent. (Photo by Evgeny Feldman/Pool Photo via AP Photo)





People play with a yellow duck toy, which symbolizes Prime Minister Dmitry Medvedev luxury house for raising ducks, during an anti corruption rally in St.Petersburg, Russia, Monday, June 12, 2017. Riot police in St. Petersburg have begun detaining demonstrators in an unsanctioned opposition rally in the center of the city. (Photo by Dmitry Lovetsky/AP Photo)





Protesters attend a demonstration in downtown Moscow, Russia, Monday, June 12, 2017. (Photo by Pavel Golovkin/AP Photo)





Police detain a protester In Moscow, Russia, Monday, June 12, 2017. (Photo by Evgeny Feldman/Pool Photo via AP Photo)





Police detain a protester In Moscow, Russia, Monday, June 12, 2017. Demonstrators in Monday's opposition protests across Russia say they are fed up with endemic corruption among officials. The protest gatherings in cities from Far East Pacific ports to St. Petersburg were spearheaded by Alexei Navalny, the anti-corruption campaigner who has become the Kremlin's most visible opponent. (Photo by Evgeny Feldman/AP Photo)





Protestors are blocked during a demonstration in downtown Moscow, Russia, Monday, June 12, 2017. (Photo by Alexander Zemlianichenko/AP Photo)





Russian police officers face participants of an unauthorized anti-corruption rally at the Marsovo Field on Russia Day in central St. Petersburg, Russia, 12 June 2017. Russian liberal opposition leader and anti-corruption blogger Alexei Navalny has called his supporters to hold a protest in many Russian cities. According to news reports citing his wife Yuliya Navalnaya, Alexei Navalny has been arrested ahead of planned protests in Moscow. (Photo by Anatoly Maltsev/EPA)





Russian police officers detain a participant of an unauthorized opposition rally in Tverskaya street in central Moscow, Russia, on Russia Day, 12 June 2017. (Photo by Yuri Kochetov/EPA)





Participants of an unauthorized opposition rally gather in Tverskaya street in central Moscow on June 12, 2017. Authorities detained Russian opposition politician Alexei Navalny and hundreds of his supporters on Monday, as they mounted demonstrations across the nation against government corruption. Over 200 were detained in Moscow and Saint Petersburg an hour into the protest, according to an NGO that tracks arrests, with Navalny himself picked up by police in his building as he was headed to the event. (Photo by Vasily Maximov/AFP Photo)





Activist Yulia Galyamina and her husband Nikolai Tuzhilin lie on the ground next to riot police during an anti-corruption protest organised by opposition leader Alexei Navalny, on Tverskaya Street in central Moscow, Russia June 12, 2017. (Photo by Maxim Shemetov/Reuters)





Russian police officers detain a participant of an unauthorized anti-corruption rally at the Marsovo Field on Russia Day in central St. Petersburg, Russia, 12 June 2017. (Photo by Anatoly Maltsev/EPA)





Riot police detain a demonstrator during an anti-corruption protest organised by opposition leader Alexei Navalny, on Tverskaya Street in central Moscow, Russia June 12, 2017. (Photo by Maxim Shemetov/Reuters)





Russian police officers carry a detained participant of an unauthorized opposition rally in Tverskaya street in central Moscow, Russia, 12 June 2017. Russian liberal opposition leader and anti-corruption blogger Alexei Navalny has called his supporters to hold a protest in Tverskaya Street, which leads to the Kremlin, instead of the authorized by Moscow officials Sakharov avenue. According to news reports on 12 June 2017 citing his wife Yuliya Navalnaya, Alexei Navalny has been arrested ahead of planned protests in Moscow. (Photo by Yuri Kochetkov/EPA)





A performer dressed in a historical uniform takes part in a re-enactment festival which coincides with an anti-corruption protest organised by opposition leader Alexei Navalny, on Tverskaya Street in central Moscow, Russia, June 12, 2017. (Photo by Maxim Shemetov/Reuters)





Russian police officers block participants of an unauthorized opposition rally in Tverskaya street in central Moscow, Russia, on Russia Day, 12 June 2017. Russian liberal opposition leader and anti-corruption blogger Alexei Navalny has called his supporters to hold a protest in Tverskaya Street, which leads to the Kremlin, instead of the authorized by Moscow officials Sakharov avenue. Changing the location may provoke clashes with the police. (Photo by Sergei Chirikov/EPA)





The Tverskaya street is blocked by trucks placed by authorities in Moscow, Russia, Monday, June 12, 2017. Russian opposition leader Alexei Navalny, aiming to repeat the nationwide protests that rattled the Kremlin three months ago, has called for the planned protest to be moved at the last minute, to Tverskaya street, one of Moscow's main thoroughfares, prompting a massive police presence in the area. (Photo by Pavel Golovkin/AP Photo)





Russian Interior Ministry special force (OMON) officers talk near their cars in Moscow, Russia, Monday, June 12, 2017. (Photo by Alexander Zemlianichenko/AP Photo)





Russian Interior Ministry buses and cars are parked along the Tverskaya street in downtown Moscow, Russia, Monday, June 12, 2017. (Photo by Alexander Zemlianichenko/AP Photo)





The Tverskaya street is blocked by trucks placed by authorities in downtown Moscow, Russia, Monday, June 12, 2017. Russian opposition leader Alexei Navalny, aiming to repeat the nationwide protests that rattled the Kremlin three months ago, has called for the protest to be moved to Tverskaya street, one of Moscow's main thoroughfares, prompting a massive police presence. (Photo by Alexander Zemlianichenko/AP Photo)





Police detain a protester during anti corruption rally in St.Petersburg, Russia, Monday, June 12, 2017. Riot police in St. Petersburg have begun detaining demonstrators in an unsanctioned opposition rally in the center of the city. (Photo by Dmitry Lovetsky/AP Photo)





Police watch the scene during a demonstration in downtown Moscow, Russia, Monday, June 12, 2017. (Photo by Pavel Golovkin/AP Photo)





Police detain a protester during a demonstration in downtown Moscow, Russia, Monday, June 12, 2017. (Photo by Pavel Golovkin/AP Photo)





A young demonstrator is apprehended by riot police during a demonstration in downtown Moscow, Russia, Monday, June 12, 2017. (Photo by Alexander Zemlianichenko/AP Photo)





A man is led away after being detained during a demonstration in downtown Moscow, Russia, Monday, June 12, 2017. (Photo by Alexander Zemlianichenko/AP Photo)





People attend a demonstration in downtown Moscow, Russia, Monday, June 12, 2017. (Photo by Pavel Golovkin/AP Photo)





Police detain a protester during a demonstration in downtown Moscow, Russia, Monday, June 12, 2017. (Photo by Pavel Golovkin/AP Photo)





Police detain a protester during a demonstration in downtown Moscow, Russia, Monday, June 12, 2017. (Photo by Pavel Golovkin/AP Photo)





Police detain a protester during a demonstration in downtown Moscow, Russia, Monday, June 12, 2017. (Photo by Pavel Golovkin/AP Photo)





People gather for an anti corruption rally in St.Petersburg, Russia, Monday, June 12, 2017. The protest gatherings in cities from Far East Pacific ports to St. Petersburg were spearheaded by Alexei Navalny, the anti-corruption campaigner who has become the Kremlin's most visible opponent. (Photo by Dmitry Lovetsky/AP Photo)





Police detain a protester during anti corruption rally in St.Petersburg, Russia, Monday, June 12, 2017. (Photo by Dmitry Lovetsky/AP Photo)





Russian opposition leader Alexei Navalny, center, and his wife Yulia talk before a hearing in a court in Moscow, Russia, on Monday, June 12, 2017. Navalny was arrested earlier this morning at his house when he was going to a protest spearheaded by him. (Photo by Pavel Golovkin/AP Photo)





An actor, who takes part in the Day of Russia festivities, walks past a police line in Moscow, Russia, Monday, June 12, 2017. Russian opposition leader Alexei Navalny, aiming to repeat the nationwide protests that rattled the Kremlin three months ago, has called for a last-minute location change for a Moscow demonstration that could provoke confrontations with police. (Photo by Denis Tyrin/AP Photo)





A woman holds a poster depicting the portrait of the Russian President Vladimir Putin and reading 'That's all' during anti corruption rally in St.Petersburg, Russia, Monday, June 12, 2017. (Photo by Dmitry Lovetsky/AP Photo)