Russian President Vladimir Putin updated the country's nuclear doctrine, warning that any conventional attack on Russia by a non-nuclear state, if...

President Vladimir Putin said on Wednesday that Russia could use nuclear weapons if it was attacked by any state and that any conventional attack on...

MOSCOW Reuters —President Vladimir Putin warned the West on Wednesday that Russia could use nuclear weapons if it was struck with conventional...

President Vladimir Putin warned the West on Wednesday that Russia could use nuclear weapons if it was struck with conventional missiles, and that...

President Vladimir V. Putin heightened his warnings against the West, asserting that Russia should be permitted to use nuclear arms in the event of an...

Vladimir Putin says Russia would consider an attack from a non-nuclear state that was backed by a nuclear-armed one to be a "joint attack", in what...

An attack from a non-nuclear country, supported by a nuclear-armed state, will be considered a joint onslaught, Russia has warned.

By Mike Eckel and Todd Prince (RFE/RL) -- Five days before President Vladimir Putin announced that he would loosen the conditions under which...

Russian President Vladimir Putin says that a nuclear power supporting another country's attack on Russia will be considered a participant in...

MOSCOW, Sept 25 (Reuters) - President Vladimir Putin warned the West on Wednesday that Russia could use nuclear weapons if it was struck with...