Russia concerned about the situation around the Treaty on a comprehensive nuclear test ban (CTBT), said Deputy Minister of foreign Affairs Sergey Ryabkov. Moscow understands that Washington is maintaining its landfills in a state of readiness for possible resumption of tests, He added. the main Assembly adopted the CTBT in 1996, but He never entered into force because were not signed by several countries, as well as among them the United States. Thus all European countries, including the Russian Federation, the UK and France, ratified the Treaty. in 2013, Barack Obama, who was then President of the United States, said the intention to seek the signing of the Washington document by 2016, but it was not. in the last month of summer of the current year, Ryabkov said that in the capital of Russia does not see prospects for the CTBT's entry into force. He noted that the main obstacle is the position of the United States. <span style="color:darkgray