The 5th Caspian Summit held between the five states surrounding the Caspian Sea: Russia, Kazakhstan, Iran, Turkmenistan and Azerbaijan kicked off in Aktau on Sunday. President of Azerbaijan Ilham Aliyev, President of Kazakhstan Nursultan Nazarbayev, President of Iran Hassan Rouhani and President of Turkmenistan Gurbanguly Berdimuhamedov will take part in the talks. A convention on the Legal... Еще Status of the Caspian Sea is to be signed at the summit. According to the Kremlin, the five countries have been working on an agreement since 1996. The convention is to mark the legal status of the contested Caspian Sea.