Iran says it won't resume negotiations with the United States until key conditions are met, while Qatar says there are currently no high-level meetings between Washington and Tehran, despite technical delegations remaining in session.

US and Iranian officials are holding indirect, lower-level technical talks through Qatari and Pakistani mediators in Doha today, a diplomatic source told CNN. Follow for live updates.

Qatar's foreign ministry spokesman says no high-level meetings or direct talks between the US and Iran are scheduled.

The visit by Steve Witkoff, U.S. President Donald Trump’s special Mideast envoy, and Jared Kushner, his son-in-law, comes after a weekend of crossfire in the Persian Gulf over efforts to reopen the Strait of Hormuz to shipping traffic.

Doha ― Top U.S. envoys were due to arrive in Qatar on Tuesday, but uncertainty over the timing and content of any diplomatic talks raised questions over efforts to bring a lasting halt to the Iran war and fully reopen the Strait of Hormuz.

An explosion that tore through Qatar’s Ras Laffan industrial area has hurt at least 54 people and left 18 others missing.

Qatar said Jared Kushner and Steve Witkoff had arrived in Doha as part of ongoing peace negotiations between the US and Iran and as the countries try to calm tensions over the Strait of Hormuz.

Managing relationships with a growing roster of manufacturers is challenging enough but since conflict erupted in the Middle East in February, series organizers have also had to reshape its globe-trotting calendar on the fly.