SEOUL: Three workers were hospitalised on Thursday (Nov 20) after inhaling toxic gas that leaked at a South Korean steel plant, emergency services said. The workers were found at the POSCO steel plant in the southern city of Pohang and went into cardiac arrest as they were rushed to hospital, the fire department said. "Two subcontracted cleaning workers inhaled the gas during their sludge removal work. A POSCO worker also breathed in the gas while trying to help the two," a representative of