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24 dead, dozens hurt in explosion at huge Venezuela oil refinery

The refinery is run by PVDSA, the government-run oil company that has struggled with repeated refinery problems in recent years, affecting its production figures and ability to fulfill ambitious expansion plans.

Power faults, accidents and planned stoppages for maintenance have hit exports from South America's biggest crude producer and OPEC member.

-- Reported by NBC News staff and wire services

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