The Venezuelan government has accused US oil giant Exxon Mobil of exaggerating the value of the company's former investments in the country.Exxon is seeking $12bn (�6.1bn) in compensation from Venezuela's state energy group, PDVSA, after its interests were nationalised last year.
Earlier this week, a US court froze $12bn of PDVSA assets until the verdict of an international tribunal.
Venezuela has now said that Exxon's former interests are worth just $1.2bn.
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