"As the Islamabad Talks commenced today, the Prime Minister of Pakistan, Muhammad Shehbaz Sharif held a meeting with His Excellency JD Vance, Vice President of the United States of America," the statement said.

"The Prime Minister reiterated that Pakistan looks forward to continue its facilitation of both sides in making progress towards sustainable peace in the region."

The meeting was confirmed by a US vice presidential pool report, which said Vance was accompanied by top US envoys Steve Witkoff and Jared Kushner.

Also in the meeting were Pakistan's Foreign Minister Ishaq Dar and Interior Minister Mohsin Naqvi.

Footage released by Pakistan showed Sharif greeting Vance warmly at the top of a staircase, before leading him to a room where chairs had been lined up for the delegations. The Pakistani and US flags stood in the background.

Earlier, Sharif met with an Iranian delegation, Tehran's state media reported.

The format of the talks between the US and Iranian delegations remained unclear. In the past, Tehran and Washington have adopted an indirect talks method, using mediators to shuttle messages between them during negotiations.