Russian President Vladimir Putin said on Friday he has ordered the military to prepare a "symmetric response" after Washington tested a formerly banned missile.
Putin said he had ordered an analysis of "the level of threat for our country created by the actions of the US and to take comprehensive measures to prepare a symmetric response".
The US Department of Defense said Monday it had tested a type of ground-launched missile that was banned under the 1987 INF agreement, which limited the use of nuclear and conventional medium-range weapons.
Moscow and Washington ripped up the pact early this month after several months of accusing one another of breaching its conditions.
Russia and China have both warned that Sunday's launch of the nuclear-capable Tomahawk cruise missile with a MK-41 launcher had heightened military tensions and risked sparking a new arms race.
'Violation Is Clear'
Putin said at a government meeting that the test confirmed prior suspicions that the United States had planned to place banned weapons in Europe.
He said Moscow was against placement of the launchers in Poland in Romania as part of a missile defence system, but the US denied they could be used offensively to launch Tomahawks.
"Now the fact of the violation is clear, and it's useless to deny it," Putin said. "The question is, how do we know what will be placed in Romania and Poland?"
Washington's "true intentions", he said, are to "deploy formerly banned weapons in various regions of the world".
But placing them in Europe as well as in Asia "touches upon our basic interests, since it is close to Russian borders".
The INF agreement, signed by Ronald Reagan and the last Soviet Union leader Mikhail Gorbachev, limited the use of conventional and nuclear missiles with ranges of 500 to 5,500 kilometres (310 to 3,420 miles).
Washington and NATO accused Moscow of developing the new 9M729 missile which they say violates the treaty, but Russia says its range falls short of 500 kilometres.
Russia responded that the US was violating the treaty by placing missile defence complexes in Europe and selling them to Japan.
On Friday, Putin accused Washington of "directing a propaganda campaign about Russia's alleged non-compliance with the treaty," saying it was just a front for developing a new weapon.
Putin said Moscow "is still open to equal and constructive dialogue" with the US to discuss global security. He earlier promised not to deploy new missiles in world regions until the US does the same.
Russia "will not be pulled into an expensive arms race destructive for our economy" but will need to "ensure the safety of our people and our country", he said.
Washington has insisted the test does not signal the start of an arms race as it denied having plans to develop nuclear-tipped weapons.
(Except for the headline, this story has not been edited by NDTV staff and is published from a syndicated feed.)
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