Iran has strongly condemned the use of chemical weapons by foreign-backed militants in Syria s northwestern city of Aleppo which led to the death of at least 25 people, Press TV reported. Iranian Foreign Ministry Spokesman Ramin Mehmanparast said on Wednesday that Tehran \"strongly condemns the inhuman action of using chemical weapons in the city of Aleppo by the armed opposition groups.\" Mehmanparast also criticized the countries supporting the militants in Syria, saying that those states will be responsible for any repeat of \"such atrocities.\" At least 25 people were killed and 86 others injured after militants fired missiles containing poisonous gases into Aleppo s Khan al-Assal village. Women and children are reported to be among the victims.