The first round of high-level US-Iran talks in Switzerland has laid the groundwork for a possible final agreement, including provisions for the reopening of the Strait of Hormuz and a de-confliction mechanism for Lebanon. But with key confidence-building measures yet to be fully implemented and Israeli forces still present in parts of southern Lebanon, analysts say the situation remains fragile. Speaking to Al Jazeera, Mostafa Khoshcheshm, a professor at the University of Applied Sciences in Tehran, said Iran would begin charging service fees for transit through the Strait of Hormuz after a 60-day exemption period, arguing the move is part of a broader effort to establish new regional protocols and strengthen Iran's role in managing the waterway. He said several confidence-building measures expected from the United States, including Israeli withdrawal from Lebanese territory, have yet to be fulfilled. Khoshcheshm also said no decision has been made on reports of $300bn in investment i...