Why NATO won’t impose no-fly zone over Ukraine

Russia-Ukraine: What is a no-fly zone, and why won’t NATO impose it?

“That could lead to a full-fledged war in Europe.”  NATO has rejected Ukraine’s appeal to impose a no-fly zone, prompting fierce criticism from President Volodymyr Zelenskyy.  What is a no-fly zone, and why has NATO said it won’t implement it?

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