US-Iran War News: US issues Iran travel warning; Trump asks Tehran to 'behave' amid threat of attacks on bases, rules out Strait of Hormuz reopening - 8 key developments

US-Iran War News: The United States has issued a fresh travel warning for Iran, urging American citizens not to travel to the country “for any reason” and asking those already there to leave immediately amid rising tensions and the possibility of further escalation across West Asia. Here's a look at the latest developments in the US-Iran war.