evidence: Iran has significantly increased its stockpile of enriched uranium in recent months, continuing its nuclear escalation, a confidential report by the UN nuclear watchdog said. - Iran has enough uranium enriched to up to 60 per cent for two bombs - The IAEA estimates Iran's stockpile is now 23 times the 202.8-kg limit imposed by the 2015 deal - The reports said Iran had given a satisfactory answer explaining the presence of uranium particles at one site [...] The nuclear watchdog said in its quarterly report that Iran's estimated stockpile of enriched uranium had reached more than 23 times the limit set out in the landmark 2015 accord between Tehran and world powers.