In a statement on Tuesday, Khatibzadeh said the killing of innocent civilians, including defenceless children, indicates that the perpetrators of such terrorist activities do not respect any moral and humanitarian principles.
The spokesperson also described the targeted acts of terrorism in a number of neighbouring countries in recent weeks as part of the vicious plots to escalate the sectarian and religious conflicts in the region.
He also called for vigilance, collective efforts and concerted action by all regional governments to deal with the problem.
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