Eight people died in a blast at a birthday party in a city near the Iranian capital of Tehran on Tuesday, the official news agency IRNA reported.
The incident took place at a traditional cafe in Maryam Town of Shahriar city.
IRNA reported Shahin Fathi, Managing Director of the non-profit organization Red Crescent Society of Tehran Province, as saying.
Preliminary investigations showed that a balloon containing helium gas exploded and ignited, eventually leading to a fire spreading across the café.
The victims, including four children, three women, and a man, died due to suffocation, said the report. (Xinhua/NAN)
