Tensions between Russian and the West skyrocketed on Sunday, when Vladimir Putin's spokesperson Dmitry Peskov issued a direct nuclear threat at one of NATO's members. Mr Peskov told the Russian news outlet Vesti the Kremlin is ready to do anything needed to ensure the country's security, and warned one of the Baltic Countries over the deployment of nuclear weapons on its territory. 

Addressing Estonia, which on February 18 signalled it was open to host a NATO ally's nuclear weapon on its territory if deemed necessary, he said: "If there are nuclear weapons on Estonian territory aimed at us, then our nuclear weapons will be aimed at Estonian territory. And Estonia must clearly understand this."