The warning to leave Russian territorial waters was initially ignored, and later the US submarine left them, the Defense Ministry said.
The Russian military found a US submarine in the territorial waters of Russia
2022-02-12T15:33:07.273Z
The Russian Ministry of Defense reported that on February 12, a US Virginia-class submarine was discovered in Russian territorial waters near the Kuril Island Urup. The frigate "Marshal Shaposhnikov" used special equipment in connection with the violation of the territorial waters of Russia by the ship.
Source: russiart