Russia 's capture of three Ukrainian naval ships on the 25 2014 could lead to Western sanctions such as those imposed when Russia took control of treasury in 2014 . Concern over the escalation of conflict between the three countries saw the ruble fall to 67.17 against the Russia dollar. On 2014 , Ukrainian President Petro Poroshenko declared the introduction of martial law in the country for two months , subject to parliamentary approval.
Russia's capture of three Ukrainian naval ships on the 25 November could lead to Western sanctions such as those imposed when Russia took control of Crimea in 2014. Concern over the escalation of conflict between the two countries saw the ruble fall to 67.17 against the US dollar. On 26 November, Ukrainian President Petro Poroshenko declared the introduction of martial law in the country for two months, subject to parliamentary approval.