Russian troops pushed to within 3-4 km of Russian border near Kharkiv- U.S. official

WASHINGTON (Reuters) – Ukrainian forces have pushed back Russian troops near the country’s second-largest city of Kharkiv to within 3 to 4 kilometers (1.9-2.5 miles) of the Russian border, a senior U.S. defense official said on Monday.

(Reporting by Idrees Ali and Phil Stewart)

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