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, 2022 Joel Shannon, USA TODAY Comments 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.