If the region doesn't take seriously President Rouhani's World Against Violence and Extremism (WAVE) initiative, it will be in for a dangerous fate, Aboutalebi said.
Iran's Ali Akbar Velayati has said if the fight against terrorism is not pursued decisively today, terrorists will penetrate into Europe and other parts of the world.
In a meeting with Staffan de Mistura, Zarif reaffirmed Iran's position on the need for a political settlement of the crisis in Syria.
European countries are keen to strengthen cooperation with Iran, particularly in the economic area, said Zarif in a meeting with Yves Rossier.
This criminal terrorist act once again showed that perpetrators of such crimes are not committed to any principle and will spare no effort to achieve their inhumane objectives, said Afkham.
Iran says that destruction of the resistance front against the Zionist regime and plundering of the Muslim countries' wealth is the main mission of the terrorist and extremist groups in the region.
Larijani said the perpetrators of aggression and use of force should be held accountable before the International Criminal Court.
Iran's foreign ministry spokeswoman has called on international organizations and governments to break the silence on Israeli atrocities in the Gaza Strip, stressing that the blockade on Gaza must be lifted.
Under the international law, countries should facilitate the activities of relief and rescue organizations affiliated with the UN and their representatives, said Iran’s foreign ministry spokeswoman.
Shamkhani said the US and its allies should give up theatrical behavior toward ISIL, blaming their support for so-called moderate groups for the rise in violence and terrorism.