Trump Says U.S. Will Blockade Strait of Hormuz After Iran Nuclear Talks Collapse Peace negotiations between the United States and Iran ended without agreement after more than 20 hours of high-level discussions in Islamabad, triggering immediate geopolitical tensions. President Donald Trump responded by announcing that the U.S. would move to blockade the Strait of Hormuz, escalating concerns about energy markets and regional security. The talks, led on the American side