UNITED NATIONS (AP) — A proposed U.N. resolution threatens Iran with sanctions or other measures if it doesn’t halt attacks on ships in the Strait of Hormuz , stop imposing “illegal tolls,” and disclose the placement of all mines to allow freedom of navigation. The draft resolution, co-sponsored by the United States and Gulf nations and obtained Tuesday by The Associated Press, also demands that Iran “immediately participate in and enable” United Nations efforts to establish a humanitarian