World News Roundup Late Edition

Up to 8,500 troops put on high alert or possible deployment amid high tensions with Russia over Ukraine. The : FDA withdraws emergency use authorization for some drugs over their ineffectiveness against omicron. Plus, three Baltimore firefighters die in house collapse while fighting a blaze. CBS's Peter King will have these stories and more on the CBS News "World News Roundup Late Edition."See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.