The U.S. is halting some shipments of air defence missiles and other precision munitions to Ukraine amid concerns that its own stockpiles have declined too much, officials said Tuesday. The munitions were promised to Kyiv by the former Biden administration. Read more: http://www.cbc.ca/news »»» Subscribe to CBC News to watch more videos: http://bit.ly/1RreYWS Connect with CBC News Online: For breaking news, video, audio and in-depth coverage: http://bit.ly/1Z0m6iX Follow CBC News on TikTok: