Iran defends blocking Strait of Hormuz as defensive strategy

Senior national security official tells Al Jazeera Iran will respond to US threats with an iron fist, but does not want to instigate conflict.

A senior Iranian national security official has told Al Jazeera the United States is the biggest threat to Iranian national security.

While Iran does not want direct confrontation with the US, Naghavi Hosseini says blocking the Strait of Hormuz is a part of the Iranian government’s defensive strategy.

Al Jazeera’s Zein Basravi reports from Tehran.