The two Nordic nations joined NATO after Russia’s invasion of Ukraine. With tensions rising, they are preparing their citizens in the event the threat spreads.

Sweden and Finland have updated guidance to their citizens on how to survive war, as NATO allies bolster defense measures against the backdrop of the Ukraine conflict.

Sweden on Monday began sending millions of pamphlets advising residents how to prepare for possible war and Finland launched a new website, as Ukraine fights the grinding three-year Russian invasion.

Putin launched his “special operation” in Ukraine and both countries joined NATO. Finland and Sweden are now preparing their populations for the possibility of war. This week, Sweden sent out 5 million booklets entitled “Om krisen eller kriget kommer” (“In case of crisis or war”) to its inhabitants.

Finland, which shares a border with Russia, also has a digital brochure advising citizens how to survive in war. The e-document insists the state is "well prepared for self defenc