Cheney warns Iran on defying anti-nuclear efforts

US Vice President Dick Cheney on Saturday renewed Washington's warning to Iran that "all options" are on the table if the country continues to defy UN-led efforts to end Teheran's nuclear ambitions. At a joint news conference with Prime Minister John Howard during a visit to Australia, Cheney also said that Washington was "comfortable" with Britain's decision to withdraw troops from Iraq, and that it was up to Australia to decide if it would do the same. Cheney said the United States was "deeply concerned" about Iran's activities, including the "aggressive" sponsoring of terrorist group Hizbullah and inflammatory statements by President Mahmoud Ahmadinejad. He said top US officials would meet soon with European allies to decide the next step toward planned tough sanctions against Iran if it continues enriching uranium.