TOPSHOT - Russian police officers patrol on the Red Square in central Moscow on April 2, 2017, as Russian opposition promised protests after police detained hundreds of people during anti-corruption rallies.
Russsian President Vladimir Putin on March 30 insisted that participants in unauthorised protests must be punished after anti-corruption rallies across the country at the weekend ended in mass arrests. More than 1,000 people were arrested in Moscow on March 26 during an anti-corruption protest, one of the largest unauthorised rallies to take place during Putin's 17 years in power as president or prime minister.  / AFP PHOTO / VASILY MAXIMOV        (Photo credit should read VASILY MAXIMOV/AFP/Getty Images)