Iran upgrades nuclear centrifuges
Iran said yesterday it is installing centrifuges with "better quality and speed" to improve the uranium enrichment process at its nuclear plants.
The foreign ministry statement comes despite international demands for Iran to halt its nuclear activities.
It said the UN atomic watchdog had "full supervision" of the centrifuges.
The US, UK and other Western nations have long believed Iran's nuclear programme is aimed at developing atomic weapons - a claim rejected by Tehran.
Tehran says it is refining uranium for electricity generation and medical applications.
