e crisis erupting when Russian Border Patrol boats seized two small Ukrainian ships and a tugboat Sunday near Crimea.
After opening fire and wounding three sailors. The Ukrainian vessels had been trying to enter the Sea of Azov, via the narrow strait that separates Crimea from the Russian mainland. It's triggering the most dangerous crisis between Moscow and Kiev in years. Russia says the boats had entered its territorial waters illegally and ignored warnings to stop.
Russia has so far ignored international calls to release the Ukrainian vessels, and some 24 Ukrainian sailors. The United Nations Security Council holding an emergency meeting on the matter on Monday. US Ambassador to the UN, Nikki Haley.>> We strongly support Ukraine's sovereignty and territorial integrity within its internationally recognized borders.
Extending to its territorial waters.>> Ukraine denies its ships had done anything wrong and accuses Russia of military aggression. Russia's decision to open fire on the vessels sparked protests in Kiev and Kharkiv. But tensions have escalated since Russia annexed Crimea in 2014. US Secretary of State Mike Pompeo called Russia's seizure of the Ukrainian vessels a dangerous escalation.
And a violation of international law. President Donald Trump also weighing in.>> Not good, we're not happy about it at all, not at all.>> Poroshenko said martial law would allow Ukraine to mobilize resources and respond swiftly to any invasion.>>