According to various sources, journalist Andrii Tsaplienko notes, the explosions damaged several ships of the Russian fleet.  Among them may be frigate "Admiral Makarov", which instead of "Moscow" became the new flagship.  However, the information needs additional verification.
At present, the Rashists have completely blocked the entrance to the Sevastopol bay.
	
	
		
			
				
			
			
				
				
				
					
						
							
						
					
					en.wikipedia.org
				
 
			 
		 
	 
Adviser to the Minister of Internal Affairs Anton Gerashchenko also announced about the explosion in Sevastopol
According to him, the explosion in the Sevastopol Bay occurred "as a result of careless handling of explosives."
He added that from frigate "Admiral Makarov" that rockets were launched at Vinnitsa, as a result of which a 4-year-old girl Liza died and dozens of Ukrainians were injured.
From Russian sources
	
		
			
		
		
	
	
		
			
		
		
	
Ukrainian Semi-submersible kamikaze drones??!!
@Anmdt
	
		
			
		
		
	
	
		
			
		
		
	
Meanwhile, an American RQ-4B Global Hawk drone did indeed fly over the Black Sea during the explosions in Sevastopol.
 At the moment, he is not in neutral waters, he flew away towards Bulgaria.  This can be seen from the Flightradar service.