New York City’s mayor says he would urge the King to return a long-disputed crown jewel to India if they spoke privately.

Zohran Mamdani was among dignitaries who met the King and Queen at a ceremony in the city on Wednesday commemorating victims of the September 11, 2001 attack on the city by al Qaeda.

As part of their four-day state visit to the United States, the royal couple visited the National 9/11 Memorial in lower Manhattan , where Charles laid flowers.

Zohran Mamdani, who met the King in New York, said he would urge him to return the jewel (Getty)

Mr Mamdani told reporters before the event: “If I were to speak to the king separately from that, I’d probably encourage him to return the Koh-i-noor diamond.”

The Koh-i-Noor diamond, which is one of the largest-cut diamonds in the world, was mined in India and dates back to at least the 17th century.…