The leaders in Moscow deny any knowledge of what is happening. If it isn't propaganda then it is incredibly poor leadership. Take your pick. I'll say both.
Izvestija:
The Kremlin does not have information disseminated in the media about an alleged attack on a Russian warship in the Black Sea. This was announced on Friday, May 6, by the press secretary of the President of the Russian Federation Dmitry Peskov.
“We do not have such information,” he told reporters.