Authorities issue an urgent public warning to residents in Port Adelaide to leave immediately after a fire involving toxic sulphur breaks out. Both reports describe the incident as extremely dangerous and indicate that the alert is aimed at protecting people from harmful fumes and other hazards associated with the blaze. The warning is directed to local residents, instructing them to evacuate right away rather than shelter in place. The sources do not provide additional specifics such as the exact location of the fire within Port Adelaide, the cause of the blaze, the number of people affected, or whether any injuries have occurred. The reports focus on the immediacy and severity of the threat, noting that emergency authorities consider the situation dangerous enough to prompt an evacuation order. Further details about response efforts, containment, and the status of the fire are not included in the provided summaries.