Ukrainian President Petro Poroshenko comforts Irina, wife of detained Ukrainian sailor Yury Budzinsky in Kiev, Ukraine, Tuesday Dec. 4, 2018. The Ukrainian military has been on increased readiness as part of martial law introduced in the country in the wake of the Nov. 25, 2018 incident in the Sea of Azov, in which the Russian coast guard fired upon and seized three Ukrainian navy vessels along with their crews.(Mykhailo Markiv, Presidential Press Service via AP, Pool)