Secretary-General of the Organization of Islamic Cooperation (OIC) Ekmeleddin Ihsanoglu condemned terrorists\' recent use of chemical weapons against the Syrian nation.Ihsanoglu made the remarks in a meeting with Iran\'s Permanent Ambassador to the OIC Hamid Reza Dehqani in Jeddah, Saudi Arabia, on Monday.He also underlined the necessity for pursuing the issue through international organizations like the Organization for the Prohibition of Chemical Weapons (OPCW) and the UN.Dehqani, for his part, deplored the use of chemical weapons in Syria, and described such weapons as the most anti-human arms in the world.Syria has asked for an independent investigations into the use of chemical weapons by militants in Aleppo.The chemical attack came after a video footage posted on the internet late in January showed that the armed militants in Syria possessed canisters containing chemical substances.The foreign-sponsored militants had earlier released footage in which rabbits were killed by inhaling poisonous gas.Syria has been experiencing unrest since March 2011 with organized attacks by well-armed gangs against Syrian police forces and border guards being reported across the country.Hundreds of people, including members of the security forces, have been killed, when some protest rallies turned into armed clashes.The government blames outlaws, saboteurs, and armed terrorist groups for the deaths, stressing that the unrest is being orchestrated from abroad.