A London-listed oil firm is battling to slow an investor sell-off after Javier Milei vowed to sanction companies working near the Falklands.

The complaint alleges the oil operations pose severe risks to Atlantic and Antarctic ecosystems while unlawfully exploiting Argentine resources.

Argentine President Javier Milei is escalating a dispute with Britain over the Falkland Islands with tougher sanctions targeting companies involved in a major offshore oil project.