Saudi Arabia urged the world to apply "utmost pressure" on Iran, while Tehran dismissed that policy as already having failed. Saudi Foreign Minister Ibrahim al-Assaf urged world leaders at the U.N. General Assembly yesterday, to cut off Iran's financial resources. But Iranian President Hassan Rouhani, also in New York,  insisted, that would kill all chances of successful negotiations.<br />''<br />''Saudi Arabia insists Iranian weapons were used in a September 14 missile and drone attack on Saudi oil facilities, which jolted global oil prices. Iran denies involvement.<br />''<br />''<br />''<br />