The police detained the coordinator of Navalny's headquarters, Sergei Boyko. His girlfriend Kristina Zhdanova announced this on Twitter.
According to Mediazona, a protocol on administrative offense was drawn up against Boyko for the May 5 rally in Moscow under Part 8 of Article 20.2 of the Code of Administrative Offenses (repeated violation of the law on rallies). Boyko explained that he left the position of coordinator of Navalny’s Moscow headquarters and is now the coordinator of the Novosibirsk headquarters.
UPD 18:51 information The police leave him overnight at the Tverskoy police station until the trial.