Four of six oil executives arrested in Caracas for alleged corruption are U.S. citizens, a Citgo Petroleum official said.

On Tuesday, Venezuela's military intelligence agency arrested six top executives of the U.S. subsidiary of state oil company Petróleos de Venezuela SA, as part of what authorities are calling an anticorruption purge. Four of the six executives are naturalized U.S. citizens, said a company official, who asked to remain anonymous because he wasn't authorized to speak to the press.

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