Mediators report progress in efforts to end the US-Iran war, which has driven oil prices lower. Qatar's Emir discussed de-escalation efforts with President Trump, stressing the importance of dialogue. Senior US officials expressed optimism about reopening the Strait of Hormuz shipping lanes soon. However, shipping risks remain as a vessel was struck near the strait. Iran seeks full control over inbound shipping and visibility over outbound traffic.

US president says talks with Iran are under way, warning the negotiations are Tehran's 'last chance' to secure a deal.

DUBAI/WASHINGTON, Aug 4 (Reuters) - Conflicting signals from the United States and Iran over the status of talks to end theirfive-month-old warboosted uncertainty on Tuesday, with…

US-Iran war news: Confusion reigns as the United States and Iran send mixed messages about their negotiating status. President Trump insists discussions are progressing, while…