You're reading: CBS News: US watching ‘escalation of armed confrontation’ near Ukraine’s border with Russia

The U.S. military believes a buildup of Russian forces near the border with Ukraine, seen as “concerning” on March 30, is likely a training exercise. But the gathering of troops comes amid heightened tension in the region, and Ukraine’s Commander-In-Chief Ruslan Khomchack told his country’s parliament this week that Russian forces from different regions had been assembling near the border.

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