He reported this on Facebook.
"Minus the Russian Ka-27 in Crimea. I was looking for something. Found it," Pletenchuk wrote.
Later, Pletenchuk said on Svoboda.Ranok that Russia had used other helicopters for the search operation, but the fate of the crew was unknown.
"From the available information, we can say that there was an explosion of this machine in the air. The causes have not yet been established. I am not yet ready to provide verified information on this. The search operation is ongoing. Other helicopters were involved. The Raptor boat was also involved. There is also no information about the fate of the crew. It all happened not far from Chornomorsk," said the spokesman.
Also on the morning of April 10, the General Staff of the Armed Forces of Ukraine reported that since the start of the full-scale invasion, Russia has lost more than 450,000 troops.