Ukrainian strike kills 63 Russian soldiers in Donetsk region

Read MoreRussia has acknowledged that dozens of its troops were killed in a strike by Ukrainian forces, using American-made weapons, on a military base in a Russian-occupied region of eastern Ukraine. CBS News’ Ian Lee has the latestRussia has acknowledged that dozens of its troops were killed in a strike by Ukrainian forces, using American-made weapons, on a military base in a Russian-occupied region of eastern Ukraine. CBS News’ Ian Lee has the latest