World As many as 15,000 Russian troops have been killed since the invasion of Ukraine began, NATO says: Live updates March 23, 2022March 23, 2022Joel Shannon, USA TODAYComments Off on As many as 15,000 Russian troops have been killed since the invasion of Ukraine began, NATO says: Live updates As many as 15,000 Russian troops have been killed since the invasion of Ukraine began four weeks ago. Latest news.