The leaders of five countries - Iran, Equatorial Guinea, Qatar, Libya and Venezuela - will attend the summit of the Gas Exporting Countries Forum (GECF) in Moscow on October 27, RBC reports. According to the assistant of the Russian president, Yuri Ushkov, the countries of the organization account for about 70% of the world's gas reserves. It is expected that following the meeting the participants will adopt the Moscow Declaration, in which they will consolidate their position as reliable suppliers, and will also discuss the growing global demand and the development of the liquid natural gas market.