______________________________________________________________________________________________________________________________________.Irfan Naseer, Irfan Khalid and Ashik Ali, all from Birmingham in central England, intended to explode eight rucksack bombs in crowded areas across the country.World News from the BBC.The United Nations Nuclear Agency the IAEA says Iran has begun installing next generation equipment at one of its nuclear plants. Iran insisted that its activities are peaceful. International talks on its nuclear program are due to resume next week. Bethany Bell reports from Vienna.