The Nigerian government has appealed against a London court ruling which required it to pay $200m (£155m) to prevent a firm from beginning to seize the country’s assets worth $9.6bn.
In August, a British court ruled in favour of the company, Process and Industrial Developments (P&ID).
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It had fought a long-running legal battle with the Nigerian authorities over a failed project to build a gas processing plant.
P&ID claims successive Nigerian administrations failed to fulfil their end of the deal, causing it to lose on its investment.
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The Nigerian government says the deal was fraudulent and amounted to economic sabotage.
Source:Â bbc.com