A significant fire broke out in the cargo area of San Francisco International Airport, leading to large plumes of smoke visible across the area and disruptions to transit services. Firefighters quickly responded and were able to contain the blaze, which affected cargo containers and debris in the secure section of the facility. As a result of the incident, major airlines including United, Delta, American, and Southwest have issued warnings to travelers about potential impacts on flight routes to and from the U.S., China, India, the UK, Japan, and Australia. An investigation is currently underway to determine the cause of the fire.