Mojtaba Jamenei, Iran's new supreme leader, vows inevitable revenge for the killing of his father, Ali Jamenei, after strikes blamed on US and Israeli forces; his written statement follows a funeral in Mashhad and marks his first public response since he was reportedly injured in the attacks.President Donald Trump warns of massive retaliation, saying 1,000 missiles stand ready and declaring the truce over while US strikes and sanctions have targeted Iran after suspected Iranian attacks on commercial tankers near the Strait of Hormuz.Qatar and
Oman mediate talks to protect navigation rights as Iranian diplomats including
Amir Saeid Iravani and
Abbas Araghchi warn
Tehran will abandon the peace memorandum if US demands are unmet; exchanges since February have included strikes that killed at least 17 people and injured more than 115.