The U.S. Department of Justice is seeking documents from Citgo Petroleum Corp as part of an investigation into bribery by U.S. suppliers involving its Venezuelan parent, state-owned Petroleos de Venezuela. Citgo confirmed the receipt of a subpoena and said in a statement on Monday it agreed to cooperate with the U.S. probe. The Houston-based oil refiner appointed a new board of directors earlier this year and cut ties with PDVSA following U.S. sanctions designed to stop the flow of U.S. dollars to Venezuela and ratchet up pressure to force socialist President Nicolas Maduro from power. “Earlier this year, under the direction of its newly appointed Board, Citgo engaged outside counsel to conduct an independent investigation, and is committed to taking all appropriate remedial actions in response to the findings,” […]