Reuters news agency reports today that the US has accused Russia of deploying the SSC-8 cruise missile in violation of the 1987 Intermediate-range Nuclear Forces (INF) treaty. According to the website missiledefenseadvocacy.org, development for the missile began in 2008. The website also shows that the New York Times reported on February 14, 2017 that Russia had deployed the new cruise missile. U.S. Joint Chiefs of Staff General Paul Selva stated that the deployment of the land based cruise missile violates the “spirit and intent” of the INF treaty.
Reuters report found here: http://www.reuters.com/article/us-usa-russia-missiles-idUSKBN16F23V?il=0
Website for missiledefenseadvocacy.org found here: http://missiledefenseadvocacy.org/missile-threat-and-proliferation/missile-proliferation/russia/ssc-8/