The planned demonstration would take place a year before a presidential election and a week after the biggest anti-government protests in years ended in hundreds of arrests, including that of opposition leader Alexei Navalny.
Sunday’s organizers describe themselves online as “young people and ordinary students from Moscow” and say they have nothing to do with Navalny, who is serving out a 15-day jail sentence for his role organizing the March 26 protests.
As of Friday afternoon, around 2,000 people had signed up online to attend the student protest, which in the authorities’ eyes is illegal because its organizers did not seek permission beforehand or agree the venue and timing with them.
A copy of what appeared to be an authentic letter from the prosecutor general’s office to the country’s communications regulator, Roskomnadzor, was leaked online on Friday asking for access to five Internet pages to be blocked, saying they amounted to …