United States has warned Russia that it will withdraw from a major Cold War treaty limiting mid-range nuclear arms, if Moscow does not dismantle missiles within 60 days. <br />''<br />''<br />''US Secretary of State Mike Pompeo said in Brussels yesterday that the US will no longer be bound by the 1987 Intermediate-Range Nuclear Forces (INF) treaty, unless Moscow withdraws a new system that has threatened to trigger an arms race. <br />''<br />''<br />''The US and NATO say Russia's 9M729 system, also known by the designation SSC-8, violates the INF treaty, which banned ground-launched missiles with a range of 500 to 5,500 kilometres.<br />'' <br />''NATO chief Jens Stoltenberg said it was time to prepare for demise of the deal. <br />'' <br />''<span style="color: #222222;">In October, President Donald Trump declared the United States would pull out of the treaty and build up America's nuclear stockpile "until people come to their senses".</span><br />