The Spanish government has warned it will defend its interests as a row with Argentina over the nationalisation of oil company YPF intensifies.
Promising a “clear and overwhelming” response, the government summoned the Argentine ambassador to Madrid to express its concern.
The majority stake in YPF is owned by Spanish oil firm Repsol.
Repsol shares fell by 8% in early trading in Madrid and the firm has vowed to demand compensation.
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