KYIV, Dec 10 – President Petro Poroshenko said that after Russia's aggression near the Kerch Strait major NATO presence in the Black Sea should be seen, the sanction package against Russia should be introduced, and military and technical upgrades should be done, including lethal weapon supplies for Ukraine.

According to a posting on the website of the head of state on Saturday, Poroshenko recalled in an interview with the U.S. Fox News TV channel about the events in the neutral waters of the Blacks Sea on November 25 when 10 Russian military vessels shot at and seized three Ukrainian naval vessels and wounded six Ukrainian sailors.