WASHINGTON, Aug 1 (Reuters) - U.S. President Donald Trump on Friday said he had ordered two nuclear submarines to be positioned in "the appropriate regions" in response to remarks from former Russian President Dmitry Medvedev about the risk of war between the nuclear-armed adversaries.

Russia has said that it no longer considers itself bound by the terms of the treaty it signed with the United States decades ago. Moscow in a statement said it made the decision due to the actions of Western countries,