Washington, April 22 -- US Vice President JD Vance has cancelled his upcoming diplomatic mission to Islamabad for Iran-related negotiations indefinitely, The Wall Street Journal reported. This decision follows President Donald Trump's recent declaration of a "ceasefire extension" and his demand for a "unified proposal" from Tehran.

The high-stakes visit, which was "scheduled for Tuesday," has now been "called off with no new dates set," according to a White House official. The cancellation signals a shift in the administration's timeline as Washington waits for a more cohesive diplomatic signal from the Iranian leadership.

Regarding the possibility of future talks, the White House official further noted that "any future travel for diplo...