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U.S. sanctions Venezuela state oil firm, escalating pressure on Maduro.
Venezuelan Navy Threatens Aid Ship.
Venezuela reopens borders with Brazil and Aruba, official says.
World Bank tribunal lowers ConocoPhillips award for Venezuela expropriation: document.
U.S. blacklists six oil tankers in new Venezuela-related sanctions.
UPDATE 2-Venezuela releases six Citgo executives, detained in 2017, on house arrest – sources