Russian airstrike on Ukraine military base kills at least 35, injures 134 RELATED: Ukrainian volunteers train to use anti-tank weapons https://youtu.be/sLAzov033i8 Following a Russian airstrike on a Ukrainian military base, White House officials say Russia could be preparing to use chemical weapons in Ukraine. » Subscribe to USA TODAY: http://bit.ly/1xa3XAh » Watch more on this and other topics from USA TODAY: https://bit.ly/3IClY6s » USA TODAY delivers current local and national news, sports, entertainment, finance, technology, and more through award-winning journalism, photos, videos and VR.