U.S. reluctance to lift all Iran sanctions main hurdle to reviving 2015 pact- Iranian official

FILE PHOTO: European External Action Service (EEAS) Deputy Secretary General Enrique Mora and Iranian Deputy at Ministry of Foreign Affairs Abbas Araghchi wait for the start of talks on reviving the 2015 Iran nuclear deal in Vienna, Austria June 20, 2021. EU Delegation in Vienna/Handout via REUTERS

DUBAI (Reuters) -The reluctance of the United States to lift all sanctions on Iran is the main challenge to reviving a 2015 nuclear pact, a senior Iranian official said on Sunday, as Western powers questioned Tehran's determination to salvage the agreement.

Indirect talks between Washington and Tehran on reinstating their nuclear pact broke off https://www.reuters.com/world/middle-east/iran-nuclear-talks-break-friday-with-formal-meeting-officials-2021-12-03 on Friday, with both sides saying they would resume the following week, as Western officials voiced dismay at sweeping demands by the Islamic Republic.