The United States openly accused Russia on Aug. 28 of sending combat forces into Ukraine and threatened to tighten economic sanctions, but Washington stopped short of calling Moscow's intensified support for separatist forces an invasion.
Russia's War Against Ukraine
Reuters: US openly accuses Russia of sending combat troops to Ukraine
NATO released a series of satellite images on Aug. 28 showing what a top general described as \"Russian combat soldiers, equipped with sophisticated heavy weaponry, are operating inside Ukraine's sovereign territory.\"
