India, April 25 --  Efforts to revive negotiations between the United States and Iran faced a sudden setback after US President Donald Trump decided to stop American envoys from travelling to Pakistan for fresh talks. The move came shortly after Iran's top diplomat concluded meetings in Islamabad and returned to Tehran.

The development has raised fresh concerns about the future of ceasefire negotiations and the stability of global oil routes, especially as tensions around the Strait of Hormuz continue to disrupt shipments and push energy prices higher.

US-Iran War Latest News: Why Did Trump Stop US Envoys From Travelling to Pakistan?

The US administration had earlier announced plans to send senior envoys to Pakistan's capital...