LONDON—Britain can no longer rely on US leadership on Middle East policy and must work more closely with Europe to ensure the Iran nuclear deal stays in place, among other policies, a committee of lawmakers said in a report on Tuesday.
The deal between Iran and six major powers restricts Tehran's nuclear program in exchange for the lifting of international oil and financial sanctions.
During his US presidential campaign, Donald Trump called the agreement "the worst deal ever negotiated" and his administration has launched a review of whether lifting sanctions is in the United States' national security interests.
"We can no longer assume America will set the tone for the West's relationship with the Middle East," said David Howell, chairman of the British parliament's House of Lords International Relations Committee.
In its report, the committee cited in particular Trump's approach to Iran and to the Arab-Israeli conflict.