“The United States is increasingly concerned about the recent escalation of Russian aggression in eastern Ukraine, including the movement of Russian troops along the border with Ukraine.”, – she said.
Psaki also recalled that five Ukrainian soldiers were killed this week.
“All of these signs are deeply troubling,” she said.
A White House spokeswoman said the administration of US President Joe Biden is discussing with NATO allies concerns about rising tensions over ceasefire violations and regional tensions in Ukraine.
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