CSTO summit 2013-09-23 17:00:00 Sochi Vladimir Putin took part in a summit of the Collective Security Treaty Organisation (CSTO). Among the main issues on the summit’s agenda are countering the threats from Afghanistan, helping Tajikistan to reinforce the Tajik-Afghan border, and exchanging views on current regional and international issues, including the situation in and around Syria. Following the summit, a number of joint documents were signed. The President of Russia also made a press statement.