President of Ukraine Petro Poroshenko stated this while speaking to participants of the multinational exercises Sea Breeze 2018 in Odesa, an Ukrinform correspondent reports.
"After the illegal annexation of Crimea, we see a sharp increase in the escalation of tension. Russia has sharply increased its military grouping in the illegally occupied territory. Strike aviation, the latest missile systems, the latest anti-aircraft systems were deployed there for the first time," Poroshenko said.
In addition, he stressed that the Russian Black Sea Fleet, illegally located in the annexed Sevastopol, was reinforced by submarines, new warships and armed with long-range sea-based missiles.
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