US and Iranian representatives signed a memorandum of understanding on June 18 and held technical talks in Switzerland on June 21, followed by mediated meetings in Doha on July 2, 2026. Sources report positive progress on the Islamabad MoU, increased oil traffic through the Strait of Hormuz, and a decline in Brent crude prices, alongside an Iranian military statement threatening vessels outside approved routes. President Trump stated denuclearization efforts are advancing, with discussions scheduled to resume after the funeral of former Supreme Leader Ayatollah Ali Khamenei.