A diplomatic deal ​between the United States and Iran would be unfeasible if Tehran implemented a tolling system ‌in the ⁠Strait ⁠of Hormuz, U.S. Secretary of State Marco ​Rubio told reporters on Thursday."No one in ​the world is in favor of the tolling system. It can't happen. ​It would be unacceptable. ⁠It would ‌make a diplomatic deal ​unfeasible ​if they were to continue ⁠to pursue that. So it's a threat ​to the world if they ​were trying to do that, and it's completely illegal," Rubio said. He also told reporters there had been some progress in talks with ‌Tehran to end the U.S.-Israeli war on Iran, but that Washington ​was dealing ​with "a ⁠system that itself is a little fractured."Also Read: Marco Rubio to visit India from May 23-26 to further cooperation in fields of trade, defence and energy"There's some good signs," Rubio said. "I don't want ​to be overly optimistic ... So, let's see what happens over the next few days."