US Secretary of State Hillary Clinton says that her country has no interest in occupying Afghanistan or abandoning it. Addressing a meeting in Doha she said that when international forces leave Afghanistan, American civilian presence will continue. Ms. Clinton said fifteen thousand US, British and Afghan troops launched the largest offensive in the Helmand province of Afghanistan on Saturday.Meanwhile, the US Secretary of State said that Washington wants peaceful solution to a nuclear dispute with Iran. Mrs. Clinton said that her country wants the UN Security Council to impose a fourth round of sanctions on Tehran.