The two sides were scheduled to meet for a sixth round of negotiations on Sunday. Oman, which was set to host the talks, said on Saturday that this round had been canceled.

The latest round of U.S.-Iran nuclear talks scheduled for Sunday in Muscat will not take place, Omani Foreign Minister Badr Albusaidi said on X on Saturday. Oman has been mediating the talks.

Israel and Iran launch fresh attacks on each other, stoking fears of a wider conflict after Israel expanded its surprise campaign against its main rival with a strike on the world's biggest gas field.