UK security adviser attended US-Iran talks and judged deal was within reach

Jonathan Powell thought Tehrans surprising offer on its nuclear programme could prevent rush to war Middle East crisis - live updatesBritains national security adviser, Jonathan Powell, attended the final talks between the US and Iran and judged that the offer made by Tehran on its nuclear programme was significant enough to prevent a rush to war, the Guardian can reveal.Powell thought that progress had been made in Geneva and that the deal proposed by Iran was surprising, according to sources.