A fragile ceasefire has been in place since April 8, punctuated by skirmishes as the U.S. and Iran jockey over the Strait of Hormuz.

US Secretary of State Marco Rubio says a diplomatic solution would become unfeasible if Iran pushes through with plans to impose tolls in the Strait of Hormuz

U.S. Secretary of State Marco Rubio on Thursday said there were "good signs" that an agreement to end the Middle East conflict is in sight.