Sign up now for FREE unlimited access to Reuters.com Register Aug 21 (Reuters) – The leaders of the United States, Britain, France and Germany discussed efforts to revive the 2015 Iran nuclear deal, the White House said on Sunday in a statement that focused heavily on Ukraine. read more “In addition, they discussed the ongoing negotiations on Iran’s nuclear program, the need to strengthen support for partners in the Middle East region, and joint efforts to deter and limit Iran’s destabilizing regional activities,” the White House said in a statement. description of the call between the four. The White House did not elaborate on the Middle East portion of the discussion between US President Joe Biden, British Prime Minister Boris Johnson, French President Emmanuel Macron and German Chancellor Olaf Scholz. Sign up now for FREE unlimited access to Reuters.com Register The European Union and the United States said last week they were studying Iran’s response to what the EU called its “final” proposal to revive the deal, under which Tehran curbed its nuclear program in exchange for easing economic sanctions. . Failure in the nuclear negotiations could raise the risk of a new regional war, with Israel threatening military action against Iran if diplomacy fails to prevent Tehran from developing a nuclear weapons capability. Iran, which has long denied having such ambitions, has warned of an “overwhelming” response to any Israeli attack. In 2018, then-President Donald Trump reneged on the nuclear deal struck before he took office, calling it too soft on Iran, and reimposed tough U.S. sanctions, prompting the Islamic Republic to begin violating its limits on uranium enrichment. Sign up now for FREE unlimited access to Reuters.com Register Report by Arshad Mohammed in Saint Paul, Minn. Edited by Matthew Lewis Our Standards: The Thomson Reuters Trust Principles.