Prime Minister Keir Starmer announced the meeting earlier Wednesday, while a UK official told AFP the meeting would be virtual and held on Thursday. UK Foreign Secretary Yvette Cooper will host the discussions, Starmer told reporters during a Downing Street news conference. - 'Will not be easy' -Iran has virtually closed the vital strait since the US-Israeli strikes that started the war on February 28, causing global oil and gas prices to soar. The UK leader also backed NATO following renewed criticism of the eight-decade-old alliance by US President Donald Trump. "NATO is the single most effective military alliance the world has ever seen, and it has kept us safe for many decades, and we are fully committed to NATO," Starmer said.