Washington/ Tehran, June 6 -- Tensions between the United States and Iran moved dangerously close to reopen conflict on Friday as both sides exchanged another round of military strikes around the Strait of Hormuz, the narrow waterway that serves as one of the world's most vital oil transit routes.

U.S. forces targeted Iranian drones and radar installations after Iran launched missiles at American bases in the Gulf while a ceasefire was being tested.

At the same time, in another flashpoint, clashes between Israeli forces and the Iran-backed Hezbollah have intensified despite a ceasefire agreement reached by the Israeli and Lebanese governments. While the truce remains officially in place, its implementation on the ground appears increasing...