COMMENT: Why Trump Wants To Leave A Cold War Treaty
Mr Trump says Russia has not been following the Intermediate-Range Nuclear Forces Treaty - so he's pulling the US out.
Mr Trump says Russia has not been following the Intermediate-Range Nuclear Forces Treaty - so he's pulling the US out.
The UK is to deploy personnel in support of Norway's forces, while Russia has been accused of trying to militarise the Arctic.
The troops are hoisted by winches and then use virtual reality headsets to simulate a training environment.
The Intermediate-Range Nuclear Forces Treaty has been in place since 1987.
Two Russian fighter jets have collided in mid-air when flying over the Sea of Japan.
Mr Putin said the US and certain Western countries "aimed to foster their dominance in the region".
Hamish de Bretton-Gordon said the UK's focus should be to ensure the military is better prepared if the nerve agent is used again.
Specialist contractors have started working on the former Russian spy's home.
The former US Marine, who is a dual US and British citizen, was detained a week ago.
Jeremy Hunt said Paul Whelan was being given "every support that we can" after it emerged that he also has British nationality.
The Russian Federal Security Service said Paul Whelan was caught "during an espionage operation", but gave no details.
Vladimir Putin said the new weapon is impossible to intercept.
Mr Putin pointed at the US intention to withdraw from the 1987 Intermediate-Range Nuclear Forces (INF) Treaty.
The meeting comes amid concern in eastern Europe about Russia.
He mentioned the new Kinzhal hypersonic missile and the Avangard hypersonic glide vehicle.
Ukraine's Defence Ministry warns it will send Navy ships through the Kerch Strait, where Russia fired on and seized three Ukrainian vessels.