Ukrainian official: Russia using submarines to launch strike 

"The Russian army is using submarines to launch a missile strike on Ukraine," a spokesman for the Odesa regional military administration Sergei Bratchuk said, Report informs, citing UNIAN.

According to him, in order to strike the territory of Ukraine with "Caliber" missiles, Russia uses at least 4 submarines in the Black Sea: "We are talking about the 877 Paltus submarine project. The missiles are launched from a depth of 50 meters. In this case, they cannot be detected by radar and satellite."