Law enforcement officers detain a participant of a protest against amendments to Russia's Constitution and the results of a nationwide vote on constitutional reforms, in Moscow, Russia July 15, 2020.

A detained demonstrator is seen inside a police vehicle during a protest against amendments to Russia's Constitution and the results of a nationwide vote on constitutional reforms, in Moscow, Russia July 15, 2020.

People stand near a monument to Russian poet Alexander Pushkin during a protest against amendments to Russia's Constitution and the results of a nationwide vote on constitutional reforms, in Moscow, Russia July 15, 2020. The writing on the face mask reads: "No".

A man wearing a protective face mask takes part in a protest against amendments to Russia's Constitution and the results of a nationwide vote on constitutional reforms, in Moscow, Russia July 15, 2020. The writing on his hat reads: "I'm in mourning for our Constitution".

A police officer detains a participant of a protest against amendments to Russia's Constitution and the results of a nationwide vote on constitutional reforms, in Moscow, Russia July 15, 2020.

Police officers detain participants of a protest against amendments to Russia's Constitution and the results of a nationwide vote on constitutional reforms, in Moscow, Russia July 15, 2020.

People gather near a monument to Russian poet Alexander Pushkin during a protest against amendments to Russia's Constitution and the results of a nationwide vote on constitutional reforms, in Moscow, Russia July 15, 2020. The writings on face masks read: "No!".

Law enforcement officers detain a participant of a protest against amendments to Russia's Constitution and the results of a nationwide vote on constitutional reforms, in Moscow, Russia July 15, 2020.

Police officers stand guard on the street next to the Belka Restaurant during a protest against amendments to Russia's Constitution and the results of a nationwide vote on constitutional reforms, in Moscow, Russia July 15, 2020.

People wearing protective face masks reading "No!" take part in a protest against amendments to Russia's Constitution and the results of a nationwide vote on constitutional reforms, in Moscow, Russia July 15, 2020.

People take part in a protest against amendments to Russia's Constitution and the results of a nationwide vote on constitutional reforms, in Moscow, Russia July 15, 2020.

Police officers detain a man during of a protest against amendments to Russia's Constitution and the results of a nationwide vote on constitutional reforms, in Moscow, Russia July 15, 2020.

Political activist Yulia Galyamina takes part in a protest against amendments to Russia's Constitution and the results of a nationwide vote on constitutional reforms, in Moscow, Russia July 15, 2020.

Law enforcement officers detain a participant of a protest against amendments to Russia's Constitution and the results of a nationwide vote on constitutional reforms, in Moscow, Russia July 15, 2020.

Police officers detain a participant of a protest against amendments to Russia's Constitution and the results of a nationwide vote on constitutional reforms, in Moscow, Russia July 15, 2020.

Police officers detain a participant of a protest against amendments to Russia's Constitution and the results of a nationwide vote on constitutional reforms, in Moscow, Russia July 15, 2020.

A law enforcement officer stands guard during a protest against amendments to Russia's Constitution and the results of a nationwide vote on constitutional reforms, in Moscow, Russia July 15, 2020.

A participant holds a placard during a protest against amendments to Russia's Constitution and the results of a nationwide vote on constitutional reforms, in Saint Petersburg, Russia July 15, 2020. The placard reads: "I thought my life is about serving the people, but now I realize it's a damn usurpation of power".

Law enforcement officers detain a participant of a protest against amendments to Russia's Constitution and the results of a nationwide vote on constitutional reforms, in Moscow, Russia July 15, 2020.

A demonstrator takes part in a protest against amendments to Russia's Constitution and the results of a nationwide vote on constitutional reforms, in Saint Petersburg, Russia July 15, 2020. The placard reads: "No to eternal Putin".