Info about casualities added (first version posted at 21:39)
Azerbaijan, Baku, Aug.3 /Trend, D.Khatinoglu/
Firing damaged some of unites of Iran's biggest Imam Khomeini petrochemical complex, Mehr reported on Friday.
As a result of fire, four killed and 16 people injured, Mehr quoted the governor of the province Mahshehr Manouchehr Hayat. He said the cause of the fire was a gas leak. Fire is extinguished.
"The state of four of the victims is estimated to be extremely grave. They sent for treatment in Tehran" - he added.
According to the agency, the number of victims exceeds declared.
It is the second time this year that fire break out at the country's biggest petrochemical facility. Earlier, in February some of units of this complex fired because of "technical reasons".
The complex produces oil byproducts including fuel. It is the biggest petrochemical production complex in Iran with 4 million tons production capacity per year.