Washington DC, Aug. 4 -- US Secretary of State Marco Rubio on Tuesday (local time) said negotiations with Iran are currently focused on two key objectives, the immediate reopening of the Strait of Hormuz to ensure safe maritime navigation, and the longer-term goal of the complete denuclearisation of Iran.

Speaking about the ongoing diplomatic engagement, Rubio said progress had been made in discussions mediated by Oman, although no final agreement had been reached.

"There are two things to talk about when there is a deal... They can never have a nuclear weapon, and the President has been clear about that. So the denuclearisation of Iran is the ultimate deal. The immediate deal, or one that there is a lot of focus on, is the Strait," Rub...