British Foreign Secretary David Milliband has called upon the Afghan government to intensify its efforts for finding a political solution to the Afghan crisis.<br/><br/> <br/>Speaking in Washington, he urged President Hamid Karzai to match international moves for a political agreement with Taliban to bring the conflict to an end.<br/><br/><br/>Milliband said the political settlement needs to be external as well as internal involving all neighbours of Afghanistan.<br/>