Nato's top commander in Afghanistan has said increased troop levels could bring a negotiated peace with the Taliban. In an interview with Britain's Financial Times newspaper, the US General Stanley McChrystal, said that there had been enough fighting and that he wanted a political solution to the conflict. <br/><br/>He said the arrival of the extra 30,000 US troops pledged by President Obama and the additional 7,000 troops promised by other Nato countries in Afghanistan should deliver very demonstrably positive progress in 2010. But he warned that the level of Taliban violence could increase sharply this year. <br/><br/>Gen McChrystal said the Taliban wanted to create the perception that Afghanistan was on fire, and that President Karzai and his Western allies could not cope. However, if the new US-led strategy was successful, the militants could look desperate in a year's time, he added. <br/><br/>His comments come ahead of an international conference on Afghanistan due to be held in London on Thursday. Both Afghan President Hamid Karzai and his Pakistani counterpart, Asif Ali Zardari, will attend the conference.