More than 70 staff members of an Iranian petrochemical plant have been briefly hospitalized after inhaling chlorine that leaked from a storage tank in the facility. A spokesman of Karoon Petrochemical Complex, located in the Persian Gulf port of Imam Khomeini, said on Saturday that all but two of those people affected by the gas leak been released from hospital. Masoud Shabnalou told the semi-official ILNA news agency that the ...