Kyiv's pro-western leadership may face an uphill battle in regaining control over Crimea, but it is ratcheting up potential costs upon Russia for occupying the peninsula through a controversial 2014 referendum and subsequent annexation.
Ukraine’s foreign ministry on Sept. 14 announced “the initiation of arbitration against the Russian Federation under the United Nations Convention on the Law of the Sea”, writes Roman Olearchyk in Kyiv.
