"Lawyers of a suspect in the murder of Russian opposition politician Boris Nemtsov, Zaur Dadayev, have filed an appeal against his arrest, a Moscow court spokesperon said on Thursday," TASS cites the spokeswoman of Moscow's Basmanny District Court, Anna Fadeyeva.
Three other suspects, Tamerlan Eskerkhanov, Anzor Gubashev and Khamzad Bakhayev, had earlier filed similar appeals.
Boris Nemtsov was shot in the center of Moscow on the evening of February 27.