Russian officials said they have opened 400 temporary shelters across the country after Ukraine’s cross-border offensive.
Ukraine’s military said it now controls 1000 sq km of Russian territory, a week into its incursion into the border region of Kursk.
Ukraine’s President Volodymyr Zelensky has said the war "is coming home" to Russia.
But Russia’s President Vladimir Putin has accused Ukraine of "committing crimes" and said Kyiv would receive what he called a "worthy response”.
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