Transcript for Protests in Russia over journalist's case
Hello I'm pressure revote here in Moscow you're watching ABC news. Now behind me you can see a line of police still blocking access. To Moscow's main police headquarters this is way around 2000 protesters tried to convert. The purchase was cold in support of a Russian investigative journalist Yvonne balloon was arrested last week on trumped up drugs charges. The collision of was unexpectedly. Released. On Tuesday it was a stunning you'd send by Russian authorities basically in response to an unprecedented backlash to his arrest. So there were questions whether this protest would go ahead because it being cold in advance of his release that people arrived anyway. Mostly to call for the release of other political prisoners but all say to condemn Russia's. Authoritarian. Judicial system. And so because of what happened on Tuesday with Galindo was released people wondered how the Russian police would respond to this protest piazza was in the end. More or less as they usually do and I is aggressively blocking the protests and then arresting hundreds all of the protest is by the end of the day 400. Over 400 protesters had been detained among them many of the independent journalists who have been campaigning for bill Luna was released. And so while many people here cold go Luna was unexpected release almost miraculous because it shows that. Independent journalists and civil society in Russia could still have an impact on. Russian authorities. What the process of showing is that all say they underlined. Reminder really. All of the very harsh limits they're remain on freedom of expression in Russia and ultimately feel of authoritarian reality that does still prevail here. I'm passionate regal thank you for watching ABC news.
This transcript has been automatically generated and may not be 100% accurate.