![Riot police detain a man during an anti-corruption protest organised by opposition leader Alexei Navalny, on Tverskaya Street in central Moscow, Russia, June 12, 2017.](/sites/default/files/multimedia_images_2017/201707eca_riot_police_3.jpg)
Riot police detain a man during an anti-corruption protest on Tverskaya Street in central Moscow, Russia, June 12, 2017.
© 2017 Maxim Shemetov/Reuters
Riot police detain a man during an anti-corruption protest on Tverskaya Street in central Moscow, Russia, June 12, 2017.