Iran threatens ‘crushing response’ to any violation of memorandum Ebrahim Azizi, head of the Iranian parliament's National Security and Foreign Policy Committee, warned that any breach of the memorandum of understanding between Tehran and Washington would trigger a "crushing response" from Iran. The agreement is due to be formally signed on Friday as the two sides prepare for further negotiations on a broader settlement. In a social media post, Azizi said: "Iranian resilience forced a strategic pivot: the U.S.