New satellite images show Russia's massive military buildup along Ukraine's border, as Ukrainian troops remain on standby for a possible invasion.
CBS News foreign correspondent Holly Williams joins "CBS News Mornings" from Kyiv, Ukraine, with the latest.
"What we have seen is they have increased the number of troops and more troops are on their way," NATO chief Jens Stoltenberg said.
Although it's deployed more than 100,000 troops and military hardware to its border, Russia insists it's not..
