http://www.dailymail.co.uk/news/article-3912398/NATO-puts-300-000-troops-high-alert-readiness-confrontation-Russia-fears-grow-Putin-preparing-attack-West.
source
http://www.dailymail.co.uk/news/article-3912398/NATO-puts-300-000-troops-high-alert-readiness-confrontation-Russia-fears-grow-Putin-preparing-attack-West.
source