Iran is poised to begin work on advanced centrifuges that will enrich uranium faster as the 2015 nuclear deal unravels and a last-minute French proposal offering 13.5 billion euros to compensate Iran for not being able to sell crude oil abroad because of U.S. sanctions, looked increasingly unlikely.
Iran has announced a further step away from the 2015 nuclear deal, with plans to start speeding up its uranium enrichment programme.
It comes as the US imposes fresh sanctions on the country, shrugging off a French initiative aimed at defusing tensions.
Despite this, Tehran has given European powers two more months to try and save the agreement
WATCH: Our correspondent Anelise Borges, who's in Tehran, says Iran's making the move as it has little to lose.