Iranian Foreign Ministry expressed sympathy over the tragedy with Syrian nation, families of victoms and the government.
Kinlling innocent people concurrent with Geneva talks, Jaberi Ansari underlined, foreign-sponsered terrorists aim at disrupting the process of political settlement of the Syrian crisis.
He reiterated Iran's call for an end to this humanitarian disaster, the policy of supporting terrorist groups and dispatch of arms and military forces to Syria.
On Sunday, three blasts hit al-Sayyeda Zainab residential area, killing at least 50 people and injuring 100 others. Takfiri ISIL militants claimed responsibility for the attacks.