The Argentinian navy has been boarding fishing vessels for “illegal” operations in Argentinian waters (that happen to be the seas around the Falklands, South Georgia, and the South Sandwich Islands — all British territories):
Argentine patrol vessels have boarded 12 Spanish boats, operating under fishing licences issued by the Falkland Islands, for operating “illegally” in disputed waters in recent weeks.
Argentine patrol commanders carrying out interceptions near the South American coast told Spanish captains they were in violation of Argentina’s “legal” blockade of sea channels to the Falklands.
[. . .]
President Cristina Kirchner has adopted a steadily more beligerent stance towards Britain’s South Atlantic possessions.
A newly formed gathering of South American nations meeting in Venezeula backed Argentina’s sovereignty demands at the weekend.
Argentina’s claim over the Falklands was backed by a newly formed block of South American and Caribbean countries, CELAC, on Saturday with unanimous approval. Mrs Kirchner used the last UN General Assembly meeting to put Argentina’s claims of sovereignty over the Falklands on a par with Palestinian claims to statehood.
As predicted, now that Britain’s Royal Navy no longer has any aircraft carriers, there’s literally no way that Britain can prevent Argentina from another invasion (the one nuclear submarine on patrol in the area could cause damage, but not repel Argentinian forces). Back in the last war between Britain and Argentina, the United States had to be cajoled into supporting Britain: I very much doubt that Barack Obama would be as willing to provide support to a country he clearly disdains.