Turkish intelligence said about possible attacks by militants "Islamic State *" on the Russian Navy ships during their passage through the Bosphorus.
According to Ankara, the militants allegedly planning to open fire on Russian ships from long-barreled weapons and portable missile launchers. Attacks may be made from a land in the points of the Strait, where ships converge as much as possible to the shore. Turkish police revealed 146 such places and set up the guard, reports TASS with reference to the newspaper Haber Turk.
In addition, by the decision of Ankara to everyone passing through the Bosporus to the Russian ship was assigned a police helicopter and two Coast Guard boats Turkey.
Russian Navy warships regularly cross the Bosphorus towards the Mediterranean and Black Seas. The long march of the Northern Fleet aircraft carrier group to the shores of Syria began in October 15 2016 years and lasted until February 8 2017, when ships returned to Severomorsk.