The 24-year-old firefighter identified as Elier Correa had been hospitalized in extremely critical condition, according to government news site Cubadebate. Another 14 firefighters are missing after lightning on Friday sparked the fire, which has injured 130 people and destroyed four of the facility's eight tanks.
Clusters of fire and smoke remain at the Matanzas Supertanker Base in the island's western region, but authorities don't expect them to spread. Meanwhile, firefighters said they hope they can soon access the areas where their colleagues went missing Saturday at dawn.
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