Polina Stronggina. Photo: site "Youth apple" Within the framework of the “Swamp business”, a resident of St. Petersburg Polina Stronggin, an activist of the youth democratic movement “Vesna”, which included former members of the “Youth Apple”, the “Defense” movement, and civil activists, was detained. On May 6, 2012, Stronggina was detained in Bolotnaya Square and, according to the ATS-Info, was delivered to the Dorogomilovo police department.