Sergey Shpilkin, a mathematician and an independent electoral analyst has had his Moscow home searched, OVD-Info reports.
Shpilkin is currently abroad. The police knocked down the apartment door, his wife, who must have been present when the police arrived, cannot be reached by telephone.
Shpilkin says his wife has heart disease, and might be in need of medical aid. It is unknown what the reason behind the search is.