Tehran denies talks with US, as Gulf official says 50-50 chance of Iran-Oman deal on strait by Friday CNNQatar says mediators make progress in efforts to end US-Iran war ReutersUS and Qatar report progress on Iran ceasefire and reopening Hormuz strait The GuardianTrump Says Iran Talks Going Well as Hopes Rise for Hormuz Deal bloomberg.comQatar says US-Iran mediation efforts continuing but no direct talks planned BBC