Ukraina mengatakan Rusia mengerahkan 50.000 tentara ke wilayah Kursk menjelang rencana serangan

Ukraine’s president says the Russian military has sent some 50,000 troops to Russia’s Kursk region ahead of a planned attack there. It’s the same area where Ukraine launched an offensive against Russia earlier this year, which took Moscow by surprise. CBS News foreign correspondent Chris Livesay has the latest.