India, April 14 -- UN Secretary-General Antonio Guterres has called for sustained dialogue between Iran and the United States, stressing that a lasting agreement cannot be achieved overnight, even as recent talks ended without a breakthrough.

Negotiations between the two countries, held in Islamabad and led by US Vice President JD Vance, concluded after 21 hours without a deal to end the ongoing West Asia conflict.

In a statement, Guterres said that while no agreement was reached, the discussions reflected serious engagement and marked a meaningful step toward renewed dialogue.

He emphasised that given the deep-rooted differences between the two sides, continued constructive talks are essential to achieving a resolution. At the same ti...