Iran Supreme Leader's message to US: Mojtaba Khamenei calls Trump's signature worthless, issues new warning

Iran's Supreme Leader warned the United States of "unforgettable lessons" if attacks continued. He declared President Trump's signature "worthless and invalid" amid escalating conflict. Tehran suspended commitments under a recent interim agreement, citing US breaches. Both nations exchanged strikes on military and infrastructure targets. Regional security and global energy supplies remain a concern.