Russia has warned it will respond after Ukraine fired long-range US missiles at its territory for the first time.
While US officials blame Moscow for escalating the conflict, the Kremlin has accused Washington of doing the same, as it sends warnings about how it might use nuclear weapons.
Andy Roesgen has the latest.
Subscribe:
Livestream: http://trt.world/ytlive
Facebook: http://trt.world/facebook
Twitter: http://trt.world/twitter
Instagram: http://trt.world/instagram
Visit our website: http://trt.world
