US Secretary of State added that "the alternative is growing isolation, economic collapse and ultimately, total defeat"

US president’s special envoy commented on the state of negotiations

US Secretary of State added that "the alternative is growing isolation, economic collapse and ultimately, total defeat"

As a spate of incidents in the Strait of Hormuz test the ceasefire, an Iranian official says, "We are just getting started".

Diplomatic efforts continuing despite fighting in and around contested strait of Hormuz in recent days