0835 Local Time Santos, BrazilA container terminal operated by Localfrio, a logistics company, in Guaruja, an area on the eastern side of Santos, in Sao Paulo state is experiencing irregularities.The company, which exports chemicals used for refrigeration and general cargo, said containers in a warehouse were filled with chloric acid and sodium dichloroisocyanurate - a cleaning and disinfectant agent. Rainwater seeped into the containers from a hole in the ceiling of the warehouse causing a massive chemical reaction. The chemical reaction resulted in a chemical explosion at the cargo warehouse which has spread toxic gas over one of PBA's biggest port.
Picture of the toxic gas.

[PBA gave me permission]