Two U.S. Navy destroyers crossed the Strait of Hormuz as U.S. and Iranian negotiators meet for face-to-face negotiations amid a fragile truce.

"We go back to the United States having not come to an agreement. We made clear what our red lines are. They have chosen not to accept our terms," says Iran

After concluding marathon negotiations on Saturday, the United States and Iran would resume the Islamabad talks on early Sunday to end the six-week war that has been raging in West Asia.

NBC News' correspondent describes the scene from Pakistan, where the government provided a band to play for media awaiting news from the talks. Outside, the streets of Islamabad's "Red Zone" were locked down.

Third face-to-face trilateral round between 2 waring sides concluded early Sunday as expert exchanges continue | Anadolu

US-Iran talks in Islamabad entered day two amid a stalemate, with both sides unable to bridge key differences. Despite 14 hours of negotiations, officials said discussions would continue, as disputes over Hormuz,

Whatever be the outcome of the Islamabad talks — and undeniably, these remain on highly fragile ground — Pakistan’s rearguard diplomacy to even get the US and Iran to come to the negotiating table cannot be ...

Iran has arrived in Islamabad for high-stakes negotiations with the United States, but Tehran is setting tough preconditions before talks begin. Iran’s top negotiator warned there is “zero trust” in Washington,