By Yasmine Ghania and Kanishka SinghCAIRO/WASHINGTON, Aug 24 (Reuters) - The U.S. threatened Iran with what it called "the greatest financial offensive ever marshalled" as it prepared to roll out economic sanctions on Monday that target Iran's trade partners.Iran in turn vowed to shut down all oil exports from the Gulf "if the economic war continues."

By Jana Choukeir and Susan HeaveyDUBAI/WASHINGTON, Aug 21 (Reuters) - Iran said on Friday that its response to any new U.S. threats would be "devastating" after Washington pledged…

The United States is set to announce stringent economic sanctions against Iran. These measures could significantly impact Iran and its key trading partners like China. Oil…