World powers and Iran started a new round of negotiations over Iran's nuclear programme in Geneva on Saturday, with the United States attending for the first time, DPA reported. On behalf of the United Nations Security Council veto powers and Germany, EU chief diplomat Javier Solana met Iranian nuclear negotiator Saeid Jalili to talk about the offer of future cooperation in the areas of economy, nuclear energy and politics, once Tehran halts its nuclear activities. The United States' representative at the talks, Undersecretary of State William Burns, is the first US diplomat in 30 years to attend the negotiations with Iran. Representatives from Britain, France, Russia and China as well as Germany also attended the meeting in Geneva's city hall, that is set to end in the afternoon.