Tensions escalate between Russia and Ukraine

  • Tensions between Russia and Ukraine have escalated as NATO accused Russia of sending military hardware into Ukraine.
  • NATO says both tanks and troops have been sent across border into East Ukraine. 
  • Russia says claims are without foundation. 
  • Jens Stoltenberg, NATO Sec General: 'significant [Russian] military build-up... is a severe threat to the ceasefire'. 

NATO Spokesperson Twitter account