Britain's foreign secretary said he met at the White House with U.S. Secretary of State Marco Rubio and envoy Steve Witkoff to discuss the potential for a deal that could cool the conflict.

President Donald Trump will decide in the next two weeks whether the U.S. will get involved in the Israel-Iran air war, the White House said on Thursday, raising pressure on Tehran to come to the negotiating table.

The U.S. State Department said that Rubio and the foreign ministers agreed that "Iran can never develop or acquire a nuclear weapon." Lammy said the same on X while adding that the situation in the Middle East "remained perilous" and a "window now exists within the next two weeks to achieve a diplomatic solution.