New York, Sept. 24 -- Argentine President Javier Milei launched a blistering attack on the United Nations at the 81st General Assembly on Wednesday, branding it a "useless organisation" and warning that Argentina would no longer wait for the world body to act over the Falkland Islands, which Buenos Aires calls the Malvinas.

In a combative address, Milei accused the UN of failing to enforce its own resolutions over the long-running sovereignty dispute with Britain and said Argentina would act against what it considers the unauthorised exploitation of natural resources around the islands.

"Malvinas is for us a national cause," Milei told world leaders, accusing the UN of having "decided to look the other way" over the dispute and the develo...