Iran installing advanced centrifuges: UN nuclear watchdog

The UN's nuclear watchdog confirmed Monday that Iran was installing advanced centrifuges as the troubled 2015 deal with world powers over Tehran's nuclear programme threatens to fall apart.The International Atomic Energy Agency (IAEA) said in a statement that on September 7 it had "verified that the following centrifuges were either installed or being installed...: 22 IR-4, one IR-5, 30 IR-6 and three IR-6s".The IAEA's confirmation comes a day after Tehran hit out at European powers, saying they