"About 121 people are currently detained in Moscow. 137 people in Saint Petersburg," the message reads.
Москве на данный момент задержали примерно 121 человек. В Санкт-Петербурге - 137 pic.twitter.com/9PVhaLQVdy— ОВД-Инфо (@OvdInfo) 12 июня 2017 г.
RBC also confirmed that over 130 participants were also apprehended in Saint Petersburg.
Later the video showing law enforcement officers beating protesters with batons was made public.
Полиция уже избивает дубинками людей. Всех, без разбору. pic.twitter.com/jqxRwMwnSW— The Insider (@the_ins_ru) 12 июня 2017 г.
As it is known, actions against corruption take place in dozens of Russian cities on Russia Day today, June 12. Similar protests took place on March 26, over thousand people and opposition leader Navalny were detained back then.
Moscow police made clear that any "provocative actions" by protesters would be suppressed immediately.
As it was reported earlier, anti-corruption protests began in Russian cities. In particular, rallies are already taking place in Altai, Kazan, Ulan-Ude, Barnaul, Blagoveshchensk, Novosibirsk and Vladivostok.
Yulia Navalnaya, the wife of Russian oppositioner Alexei Navalny, informed on Twitter that her husband was detained by security forces at the entrance of his house.