An estimated 1,200 people took part in an unauthorised protest in Moscow on Wednesday to demand that those who are believed to have planted narcotics on journalist Golunov and tried to frame him on drug possession charges be brought to justice, the Interior Ministry stated.
Hundreds of people have been detained at a Moscow rally demanding punishment for police who detained an anti-corruption journalist.
Mr Golunov become as soon as freed on Tuesday after drug-dealing costs against him were dropped following a public outcry.
"I would like not only Ivan Golunov but all people who fall into the judicial and investigative system to be protected".
Authorities said the case was dropped on Monday due to lack of evidence and wrongdoing by Golunov.
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After Golunov's release many said they would not march and some expressed anger over raging divisions, saying the authorities had once again managed to split dissenting Russians.
Among those arrested was Alexei Navalny, the most prominent political rival of President Vladimir Putin.
On the pictures to see how Russia's leading opposition was drawn to eller Navalny of police officers in a police bus. Many saw Golunov's release as a Kremlin attempt to avert the new protest wave.
The march stopped near the Moscow police headquarters, the apparent source of frustration for those present, and the primary force behind Golunov's arrest.
Golunov, who is known for covering cases related to corruption, was arrested on 6 June after police found drugs in his possession.
A number of journalists were detained including a producer for the German news magazine Dr Spiegel. The activist wrote to his arrest on Twitter: "It makes sense, the leaders are hell scared because of the fantastic and unanimous expression of Solidarity in the Golunow thing". Those arrested during today's protest included a number of journalists from both Russian and foreign outlets as well as bystanders who did not take part in the event. In the second city of Saint Petersburg, around 100 people massed in the city centre, urging authorities to release victims of police abuse like respected historian Yury Dmitriyev. Rights activists say authorities routinely use trumped-up drugs, extremism and other charges to silence critics with jail sentences.