The US-Iran agreement moved into a new phase as both sides signalled readiness for further diplomacy, while a ceasefire between Israel and Hezbollah appeared to take effect after days of renewed violence.
Tehran said Washington must ensure Israel complies with the terms of the deal, particularly in Lebanon, as preparations were made for another round of negotiations in Switzerland.
Iran's deputy foreign minister said Tehran is ready to move forward with diplomacy but expects the United States to ensure Israel ends attacks in Lebanon.
A US official said Israel and Hezbollah agreed to a ceasefire after Israeli attacks reportedly killed at least 47 people in Lebanon.
Iranian foreign minister Abbas Araghchi said Washington has a responsibility to implement the agreement on all fronts, including Lebanon.
Axios reported that US envoy Steve Witkoff and Araghchi are expected to travel to Switzerland for a new round of talks.
President Donald Trump said shipping through the Strait of Hormuz has surged, claiming roughly 700 vessels are now transiting the waterway.
Israel's ambassador to Washington said offensive operations in Lebanon were halted beginning Friday morning Washington time.
The White House confirmed the United States will host a fifth round of Lebanon-Israel negotiations aimed at sustaining the ceasefire.
UK Maritime trade organisation lowered its threat assessment for the Strait of Hormuz from high to moderate as maritime traffic continues to recover.
Iran's military said its combat readiness remains unchanged despite the diplomatic progress and ceasefire efforts.
Regional mediators, including Pakistan, Saudi Arabia and Turkey, are due to meet in Egypt's Alamein on June 21 to discuss implementation of the agreement and wider regional stability.
Middle East Eye ISSN 2634-2456