US vice president JD Vance has said the US has made progress in negotiations with Iran, but Washington remains focused on determining whether Tehran “is willing to make longer-term changes that could lead to an improved relationship with Washington”.

"What's been going on for the past week or so is that the Iranians and the Gulf countries, particularly Oman, have been talking about how to ensure the safe flow of traffic"…

US vice president JD Vance has said the US has made progress in negotiations with Iran, but Washington remains focused on determining whether Tehran “is willing to make…