Toxic fumes remain after a huge fire in a fertiliser plant erupted, triggering an evacuation alert for nearby towns and hospitalising two workers. Port Adelaide residents and workers near Moonta Rd’s Aurizon Fertiliser plant in Adelaide’s outer harbour suburbs were told to leave the area after sulphur burning at the facility caused a significant health hazard. Two workers from the Aurizon Fertiliser Plant had to be hospitalised after becoming overwhelmed by the fumes. The fire is expected to burn for most of Thursday Credit: 7NEWSEmergency crews worked for hours to extinguish the blaze. However, the smoke remains extremely toxic, as the burning sulphur turns into sulphur dioxide gas, with its notable strong smell.