Both Russian and Belarusian officials frame step as driven by hostilities from the West
G7 leaders will discuss growing nuclear threat when they gather in Hiroshima this weekend
World leaders should tackle the menace of proliferation by setting an agenda for stockpile reductions, experts say
The alliance now has 31 signatory nations after Finland joined on Tuesday
Russian President Vladimir Putin said he would deploy tactical nuclear weapons in Belarus
Moscow is building a fleet of nuclear-capable vessels
The alliance said it remains 'vigilant' in light of the development
Russian leader claims move will not violate non-proliferation agreements
Iran could make enough fissile for one nuclear bomb in 'about 12 days', US official says
Crucial weeks ahead determining the direction of negotiations, Rafael Grossi says