AdvertisementAnalysisWhy The Crisis Between Ukraine And Russia Has Taken To The SeaNovember 28, 2018Lucian KimfacebookEmailUkrainian President Petro Poroshenko speaks to soldiers during a visit to a military base in Chernihiv region, Ukraine, on Wednesday. Russia and Ukraine traded blame after Russian border guards on Sunday opened fire on three Ukrainian navy vessels and eventually seized them and their crews. The incident put the two countries on a war footing and raised international concern. (Presidential Press Service via AP)