LIMA, Jan 28 (Reuters) - A Peruvian judge on Friday barred four executives from Spanish energy firm Repsol SA from leaving the country for 18 months, as prosecutors investigate the cause of an oil spill involving a tanker hired by the company.
The quartet include Repsol's Peru chief, Jaime Fernandez-Cuesta. The government has said the incident involved some 6,000 barrels spilled on the central coast near the capital Lima. (Reporting by Marco Aquino)
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