Corpses of 53 out of the total of 113 victims of the crash of A-320 airplane in the Black Sea. 20 of these are identified. The grouping of forces and marine equipment of the Russian Ministry of Extraordinary Situations (MES), Federal Frontier Service and Ministry of Transport was increased during the previous day, reported the Information Department of the Russian Ministry of Extraordinary Situations. «Operative headquarters are formed at Sochi port and Adler airport, Russian MES operative groups work at the emergency site,» the MES reported. 590 persons and 104 units of technical equipment (including 29 ships) participate in the search. These also include 177 persons and 43 machinery units (11 ships among them) of the Russian MES. Some 300 relatives of crash victims are hosted at Sochi hotels and boarding houses, the Press Service of Sochi Administration said, Russian media report.