UPDATE 1-Cobalt sells stake in Angolan oil blocks for $1.75 bln
August 24, 2015 at 10:17 AM EDT
Aug 24 (Reuters) - Oil and gas producer Cobalt International Energy Inc, whose Angolan operations are being investigated by the U.S. Department of Justice, said it would sell its 40 percent stake in two oil blocks in offshore Angola for $1.75 billion.