A fire at Iran’s Natanz uranium enrichment facility in the central Isfahan province appears to have caused more damage than was initially estimated and is expected to slow the development of advanced centrifuges that Tehran has threatened in response to the US-led return of economic sanctions.

Atomic Energy Organization of Iran (AEOI) spokesman Behrouz Kamalvandi says the 2 July blaze resulted in “material damage” but that there were no casualties and no radiation – Iran says there was no nuclear material at the site. (CONTINUED - 748 WORDS)