The State Department issued an urgent advisory Tuesday, telling all U.S. citizens to leave Iran immediately. The U.S. virtual embassy in Tehran recommended departing by land to Türkiye or Armenia if safe. This rare warning reflects growing concern for American safety as tensions spike, forcing travelers to abandon commercial routes and seek urgent evacuation plans.

The directive coincides with Iran's largest anti-government demonstrations in years. President Donald Trump has publicly backed protesters and warned of action if killings continue. While stopping short of promising military force, his ambiguous language keeps all options on the table. This standoff revives memories of past U.S.-Iran confrontations that roiled oil markets and regional security.

Americans still in Iran face immediate logistical hurdles. Flights are scarce, and overland routes carry their own risks through volatile border zones. The advisory signals Washington sees conditions deteriorating rapidly, with diplomatic channels narrowing. For global investors, the situation adds another stressor to energy supply fears and broader market volatility.

What happens next depends on Tehran's response and Trump's red lines. If crackdowns intensify, expect tougher U.S. sanctions or asset freezes targeting Iranian entities. Families here need real-time updates on border crossings and consular support. The situation remains fluid, with every protest and government statement shifting the calculus for evacuation.