Iran latest: New negotiations in question as ceasefire set to end Wednesday

On the eve of the end of the ceasefire between the U.S. and Iran, plans for a second round of negotiations between the two countries remain an open question.

U.S. negotiators, led by Vice President JD Vance, will still travel to Islamabad to participate in another round of talks, President Donald Trump said. Pakistani officials also moved ahead with their preparations for renewed discussions.

However, Iranian leaders threatened not to take part until the U.S. eased up on some of its demands, with its chief negotiator Mohammed Bagher Qalibaf saying the country would not accept negotiations "under the shadow of threats."

In this screen grab from a video released by U.S. Central Command, U.S. forces operating in the Arabian Sea enforced naval blockade measures against an Iranian-flagged cargo vessel attempting to sail toward an Iranian port on April 19, 2026 in the Ar

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While expressing optimism that a deal could be reached, Trump said he does not feel pressure to reach an accord with Iran that is not on his terms. The president added, while talking to Bloomberg News, that he was "highly unlikely" to renew the ceasefire.

Here's the latest from Tuesday:

Iran delegation not in Pakistan

6:18 a.m. ET: Despite growing talks of a second round of negations to take place, no representatives from Iran are in Islamabad, according to Iranian state television. 

United States Vice President JD Vance is again expected to lead the U.S. team in the negotiations. 

With the two-week ceasefire set to expire Wednesday, no definitive day or time has been set for negotiations to begin.