ISTANBUL Ukrainian President Volodymyr Zelenskyy has accused Russia of using vessels belonging to its “shadow fleet” to gather intelligence and for sabotage efforts. Following a meeting with head of Ukraine’s Foreign Intelligence Service Oleh Ivashchenko on Tuesday, Zelenskyy said through the US social media company X that the government body is actively working with Kyiv’s partners to prevent Russia from using its “shadow fleet” vessels for sabotage or “other attempts to destabilize Europe.” “