Washington/ Muscat, Feb. 6 -- US President Donald Trump said Iran's Supreme Leader Ayatollah Ali Khamenei should be "very worried" as both countries prepare to hold nuclear talks in Oman, following a US strike on Tehran's nuclear facilities last year.

Iranian Foreign Minister Abbas Araghchi announced that the meeting will begin at 10:00 local time (06:00 GMT) in Muscat. The negotiations come after weeks of heightened tensions between the two countries.

The US delegation is expected to include West Asia envoy Steve Witkoff and possibly former White House adviser Jared Kushner. The discussions take place against a backdrop of tensions in US-Iran relations, which escalated after a 12-day conflict involving Israel in June 2025, during which U...