Moscow suffered a heavy setback on the 51st day of the war with the sinking of the cruiser Moskva, the flagship of the Russian Black Sea Fleet, hit by Ukrainian anti-ship missiles according to kyiv.
Fighting continues in eastern Ukraine as well as in the port city of Mariupol (southeast). The capital kyiv was the target of several bombardments.
Military setbacks in Ukraine might prompt Russian President Vladimir Putin to resort to a tactical or low-power nuclear weapon in that country, William Burns, the head of the CIA, the main US intelligence agency, warned on Thursday.
