Finland's navy has dropped depth charges in waters near Helsinki as a warning to a suspected submarine. An unidentified object was spotted on April 27 within Finnish territorial waters. It was detected again early on April 28, the navy said.
Finland's navy has dropped depth charges in waters near Helsinki as a warning to a suspected submarine. An unidentified object was spotted on April 27 within Finnish territorial waters. It was detected again early on April 28, the navy said.