Russia’s troops now control the only land link between the Baltic states and the rest of NATO territory. Around it, they create a lethal exclusion zone — mines, rocket artillery, drones and air defenses — designed to keep anyone from pushing them off the ground they have seized.

Ukraine’s president thanked his international allies but said that Russia's insistence that Ukraine cede territory it holds is "a little bit crazy."

As Trump questions the loyalty of a NATO ally, CBS News joins one of its warships taking part in a drill far from home, aimed at defending Europe and the U.S.

Stubb called the war “a total strategic failure from Russia’s part” and said the allies must act decisively. Finland, which has the longest border of any NATO country with Russia, held off an invasion by the USSR for three months in late 1939 and early 1940, before surrendering.

The incident has reignited tensions between Kyiv and Budapest over energy dependence and the war in Ukraine. Pipeline hit Ukrainian Foreign Minister Andriy Sibiga said Russia damaged the Druzhba oil pipeline during an airstrike launched on January 27.