Iran's nuclear program has only peaceful purposes, Garnik Asatryan head of Department for Iranian Studies at Yerevan State University told a news conference in Yerevan. "Today there is no precise information that Iran builds nuclear weapons,” Garnik Asatryan said. But even if it does, given the fact that such country as Pakistan possesses nuclear weapons, the availability of nuclear weapons in Iran is not a threat, " the scholar said.