FinancePeru sues Repsol for $4.5 billion after oil spillRepsol says events were beyond its control and estimates clean-up and remediation costs are closer to $150 millionPeru oil spill: Repsol has identified about 5500 affected people from the spill, while the Peruvian government claims around 700,000 people are affectedPhoto: AFP/SCANPIXNaomi KlingeHouston