"In my opinion, there are already quite a lot of different reasons and arguments for additional sanctions. One more reason, from my point of view, is unlikely to have any impact," Rodzianko said.
READ MORE: US to Boost Funding for Ukrainian Navy After Kerch Row With Russia
The situation in the Black Sea region escalated on November 25, when Ukraine's Berdyansk and Nikopol gunboats and the Yany Kapu tugboat illegally crossed the Russian maritime border as they sailed toward the Kerch Strait, the entrance to the Sea of Azov.
The Ukrainian vessels and their crews were detained by Russia after failing to respond to a lawful demand to stop.