Dhaka, April 29 -- Iran has accused Israel of "brazenly" trying to scupper negotiations as talks with the United States over Tehran's nuclear programme appear to be progressing.

Iranian Foreign Minister Abbas Araghchi said on Monday that Israeli Prime Minister Benjamin Netanyahu was "dictating what [US] President [Donald] Trump can and cannot do in his diplomacy with Iran".

In response to a third round of US-Iran negotiations that appeared to gather momentum in Oman over the weekend, Netanyahu reiterated demands that Iran's nuclear programme be entirely dismantled.

Araghchi had earlier indicated "cautious" optimism after Saturday's Omani-mediated talks with US Middle East envoy Steve Witkoff.

The negotiations are aimed at ensuring Ira...