Argentina said today five British companies were illegally exploring for oil off the Falklands, Bloomberg reported.
The activities of Rockhopper Exploration, Desire Petroleum Public Limited Company, Argos Resources, Falkland Oil and Gas Limited and Borders & Southern Petroleum were “illegal and clandestine” and cleared the way for legal action, the government said, according to the Buenos Aires Herald.
The companies "are not authorized by the Argentine government under law," Agence France-Presse reported, citing a resolution published in Argentina's Official Bulletin by Energy Secretary Daniel Cameron.
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Britain has ruled the Falklands since 1833.
Analysts estimate that the oil reserves around the Falklands – which Argentina has long claimed as part of its territory -- could be worth tens of billions of dollars, AFP said.
Until now they have remained untapped.
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Three decades after Argentina’s invasion of the island triggered the Falklands War, which ended in humiliating defeat for Buenos Aires and caused the deaths of 649 Argentine and 255 British servicemen, tensions between the two countries remain high.
Rising crude oil prices and dwindling reserves in the North Sea have lured British companies to the Falklands, located 8,000 miles (12,900 kilometers) from Britain.
The tiny territory is called the Malvinas in Argentina.