Fresh tensions in West Asia are threatening to unravel the U.S.-Iran peace agreement just weeks after it was signed. As Washington and Tehran exchange fresh strikes and President Donald Trump announces a renewed blockade targeting Iranian shipping in the Strait of Hormuz, we examine what the latest escalation means for the conflict, regional stability, and one of the world's most strategically important maritime routes.

WASHINGTON -- US President Donald Trump said Monday that the United States was reinstating a naval blockade on Iran in the Strait of Hormuz.

The U.S. and Iran have made conflicting statements about whether the Strait of Hormuz is open to shipping traffic.