From the linked article: "They found a 13-tonne lithium battery inside a shipping container was fully involved and crews wearing breathing apparatus worked to

From the linked article: "They found a 13-tonne lithium battery inside a shipping container was fully involved and crews wearing breathing apparatus worked to contain the fire and stop it spreading to nearby batteries." A fire literally inside a shipping container is a very specific thing that firefighters train for. There are even some unique tools for handling them (spray nozzles inserted through drilled holes.)