Earlier Sunday, Russia and Ukraine traded accusations over another incident involving the same three vessels, prompting Moscow to block passage through the Kerch Strait. In this file photo taken and distributed by Ukrainian Navy Press Service on Sunday, two Ukrainian forces navy ships are seen near Crimea. (Ukrainian Navy Press Service via AP)The Kerch Strait is a narrow body of water nestled between Crimea and the Russian mainland. "Russian coast guard vessels ... carried out openly aggressive actions against Ukrainian navy ships," the Ukrainian navy statement said. It said a Russian coast guard ship damaged the tugboat's engine, hull, side railing and a lifeboat.

Source: CBC News November 25, 2018 20:06 UTC