A fire on a CPTM Line 12-Safira train near Brás station forced a passenger evacuation on Thursday morning [1].

The incident caused widespread disruption across the São Paulo metropolitan rail network, halting multiple lines and forcing thousands of commuters to find alternative routes during the morning rush.

Emergency responders from the Corpo de Bombeiros dispatched three fire-engine vehicles to the scene to combat the blaze [1]. The fire originated inside a train carriage, though officials said they have not yet reported the exact technical cause of the ignition [1].

Passengers were forced to exit the train and walk along the tracks to reach safety [2]. Despite the emergency evacuation and the presence of fire, authorities said there were zero injuries among passengers and staff [1].

The fire resulted in the total suspension of service on Line 12-Safira and Line 13-Jade [1]. The disruption also affected the Expresso Aeroporto service, which connects the city center to the airport [1].

Due to the closures, significant overcrowding occurred on other parts of the network. Lines 11-Coral and 3-Vermelha experienced heavy overloads as commuters shifted to these routes to bypass the affected area near Brás station [1, 2].

Staff from the Companhia Paulista de Trens Metropolitanos worked with firefighters to secure the area and manage the flow of passengers during the evacuation [1, 2].

Passengers were forced to exit the train and walk along the tracks to reach safety.

This incident highlights the vulnerability of São Paulo's interconnected rail system, where a single failure on one line can trigger a domino effect of congestion across the entire network. The reliance on a few primary arteries means that any emergency near major hubs like Brás station immediately strains the capacity of alternative lines.