Russia is particularly dissatisfied with Finland's admission to NATO since the two countries share a border. The Russian ambassador to Finland warns of consequences if Finland stations NATO nuclear weapons on its territory.
“The Finns must be aware that such a major provocation will not remain without a Russian response,” the ambassador warned. Putin called Finland's NATO membership a "senseless step" and threatens to station Russian weapons systems on the Finnish border.“Big provocation”: Russia threatens Finland with retaliation after joining NATO.