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Argentina threatens legal action over UK Falklands oil operations

Buenos Aires has issued an ultimatum to London, demanding a halt to petroleum exploration in disputed waters or face proceedings in maritime court. The two-week deadline marks an escalation in the long-standing territorial dispute.

LSN World News · 29 September 2026

Argentina threatens legal action over UK Falklands oil operations

Argentina's government has threatened to pursue legal action against the United Kingdom over oil and gas operations in the South Atlantic, setting a 14-day deadline for British authorities to cease exploration activities in the contested region.

The warning signals a hardening of Buenos Aires' stance on hydrocarbon extraction around the Falkland Islands, which Argentina claims as the Islas Malvinas. Officials indicated that failure to comply with the ultimatum would result in a case being filed with the appropriate maritime court, though specific legal grounds were not detailed.

The dispute over resource rights in the waters surrounding the archipelago has festered for decades, with Argentina maintaining that exploration and extraction violate its sovereignty. Britain, which administers the islands, has granted licenses for offshore drilling to international energy companies, viewing such activities as legitimate development within its jurisdiction.

Argentina's renewed pressure comes amid wider geopolitical tensions and represents the latest chapter in a territorial row that has defined bilateral relations since the 1982 Falklands War. The government's decision to set a specific timeframe suggests a willingness to pursue confrontational approaches to assert its claims in international forums.

The two nations have exchanged diplomatic protests over the issue repeatedly, with Argentina consistently challenging the legality of British-licensed operations in waters it considers part of its continental shelf under international maritime law.