According to Censor.NET, the mass arrests of people who gathered in support of Alexei and Oleg Navalny are reported by eye-witnesses on social networks.
"About 40 people were detained right in front of my eyes. Hundreds remain in the corners at the intersection of Manezhaya Square, others are moving along Tverskaya. They are arresting those who are not shouting anything, all ages, picking those who are closer to the fence and the wall of the State Duma," Andrey Borodulin wrote.
"Active arrests commenced. They are detaining everybody," StudMedia Kharkiv writes.