Ukraine has arrested or imposed other restrictions on 15 foreign ships that have entered the closed ports of the annexed Crimea, assistant to the head of the State Border Guard Service of Ukraine Oleh Slobodian has said.

“If they [ships] enter our maritime economic zone or enter Ukrainian ports, we take measures to restrict their further movement. Already 15 vessels are under arrest or other restrictions. These are all vessels that violated the legislation of Ukraine by visiting the ports of Crimea,” Slobodian said on the air of Radio Krym.Realii.