Milei threatens sanctions over Falklands oil as Trump signals policy shift

Javier Milei, Argentina's president, has escalated the long-running sovereignty dispute over the Falkland Islands, threatening to impose economic sanctions on energy firms that exploit oil reserves close to the British overseas territory. In a nationally televised address from the presidential palace, surrounded by his cabinet, Milei declared that the Sea Lion oilfield, where a British and an Israeli company are due to begin exploration within two years, represented a "clear and present danger" to Argentine interests.

The move appears designed to shore up domestic support for Milei, whose popularity has slumped to around 34 per cent with a presidential election looming next year. The sanctions threat, which would target Britain's Rockhopper Exploration and Israel's Navitas Petroleum, also serves to counter criticism from his erstwhile vice-president, Victoria Villarruel, a pro-military figure who has accused him of being weak on an issue that remains fundamental to Argentine national identity.

Milei argued that the impending extraction of oil from a field containing an estimated 1.7 billion barrels—more than five times the reserves of the Rosebank field west of the Shetlands—demanded immediate action. "If we do not act swiftly, in a few months they will have the material capacity to access the oil that lies underneath our sea," he said. "This has never happened before."

The Argentine president sought to frame his intervention within a shifting geopolitical landscape, suggesting that the United States, under Donald Trump, might reconsider its historical neutrality on the Falklands question. "There are winds of change in the world that are favourable to our claim," Milei said, adding that Washington viewed Argentina as "a reliable partner and a valuable ally for decades to come". Trump had earlier suggested that Britain had not reciprocated American support in conflicts such as the war with Iran, while his administration has indicated that its position on the islands is under review.

Downing Street responded swiftly, issuing a statement on Friday that reaffirmed Britain's commitment to the Islanders' right of self-determination, including the exploitation of their natural resources. "This is not the first time Argentine governments have made economic threats," a spokesperson said. "We are clear that the Falkland Islanders' right of self-determination extends to the right to exploit their own natural resources." Defence Secretary Wes Streeting dismissed Milei's rhetoric as a reflection of domestic Argentine politics rather than a substantive challenge to British sovereignty, posting on X that Britain's commitment to the islands was "absolute and unshakeable".

The dispute, which has festered for more than four decades since the 1982 war that claimed the lives of 255 British military personnel, three islanders and 649 Argentine servicemen, was underscored by the position of the Islanders themselves. In a 2013 referendum, 99.8 per cent of voters chose to remain a British overseas territory, a result that Teslyn Barkman, a former member of the Falkland Islands Legislative Assembly, said made the president's address deeply unwelcome. "It has probably irked every single Falkland Islander," she said from Stanley. "We have a burgeoning economy for a small place. We will remain forever British."