Washington says it remains open to diplomacy even as the war’s cost climbs to $37.5 billion.

Donald Trump said he has left orders for US strikes on Iran if Tehran assassinates him. Any retaliation, however, would be decided by successor JD Vance rather than an automatic trigger.

Trump said he has ordered overwhelming US retaliation if Iran assassinates him. Experts say any strike would still depend on the next commander in chief, likely JD Vance.