Addressing a large congregation of worshippers on Tehran University Campus on Friday, Sediqi referred to the 16th heads-of-state summit of the NAM in Tehran next week, and said Iran's enemies, specially the US, have spared no efforts to discourage the officials, specially the leaders, of the NAM member states from participating in the Tehran summit in a bid to portray Iran as an isolated country, but to no avail. "The Addressing a large congregation of worshippers on Tehran University Campus on Friday, Sediqi referred to the 16th heads-of-state summit of the NAM in Tehran next week, and said Iran's enemies, specially the US, have spared no efforts to discourage the officials, specially the leaders, of the NAM member states from participating in the Tehran summit in a bid to portray Iran as an isolated country, but to no avail. "The summit is a milestone and a clear and practical response (to enemies) and shows that the global arrogance is holding just a rusty gun in its hand and its mottos are empty and its claims are baseless," he added. And the vast participation of the world leaders in the Tehran summit means another defeat and failure for the enemies, he added. Some 51 countries have so far announced their participation in the Tehran summit meeting at the highest level and the number is growing, Iranian officials announced earlier this week. "So far, 51 countries have voiced preparedness to participate in the Tehran summit at the highest level and the number is growing," Iranian Vice-President for International Affairs Ali Saeedlou told reporters after a cabinet meeting here in Tehran on Wednesday. He added that a total number of 150 delegations from different world countries and international bodies have expressed willingness to attend the meeting, including several groupings outside the NAM which will attend the conference as special guests. Saeedlou further stated that Iran is prepared to host 7,000 guests during the summit. The 16th NAM summit will be held in the Iranian capital, Tehran, from August 26 to 31. NAM is comprised of some 120 member states and 17 observer countries. NAM is an international organization of states considering themselves not formally aligned with or against any major power bloc. NAM is the largest grouping of countries outside of the United Nations. NAM member states represent nearly two-thirds of the United Nations' members and comprise 55% of the world population, particularly countries considered to be developing or part of the Third World.