19 July 2011 Updated at 11:30 ET
Iran to 'speed up' uranium enrichment at nuclear plants
The Bushehr nuclear plant, Iran's first nuclear power station, begun operating in May
Iran nuclear crisis
Q&A: Nuclear issue
Fuelling Bushehr
Squeezing Iran: Oil and sanctions
UN sanctions
Iran says it is installing newer and faster centrifuges at its nuclear plants, with the goal of speeding up the uranium enrichment process.
link-
http://www.bbc.co.uk/news/world-middle-east-14196882