The sound of powerful explosions has been heard in the cities of Hanedan, Kermanshah, Kamyaran and Javanrud in western Iran.
Efforts to repair the broken relationship between Iran and Saudi Arabia have intensified recently with four rounds of talks between officials of the two countries brokered by Iraq and held in Baghdad since April last year.
The account was taken down after it posted an animated video depicting the assassination of ex-US president Donal Trump.
The main aims of the negotiations are to get the US to return to the deal and lift sanctions, and for Iran to resume full compliance with the 2015 accord.
The $400 billion agreement includes economic and cultural interaction between the two sides and also paves the way for Iran's participation in the Belt and Road initiative.
The US president can do much more than talk to persuade Putin to allow humanitarian aid into Syria.
US Secretary of State Antony Blinken said reviving the accord "would be the best result for America's security", but that if diplomacy fails, "US and allies are looking at other steps, other options".
The Taliban vowed to ban drugs, but the trade appears to be booming under their rule.
Tehran is wary of destabilisation in Central Asia, which could pose a threat to its economic and national security.
The Afghan delegation led by Taliban-appointed foreign minister Amir Khan Muttaqi, told the opponent alliance leaders they could return to Afghanistan, promising them safety.
Visits of foreign ministers of Saudi Arabia, Kuwait, Oman and Bahrain, along with the secretary general of the GCC will "deepen relations between the two sides," says Chinese Foreign Ministry.
The Taliban has told leaders of the National Resistance Front they could return to Afghanistan during a rare meeting in Tehran, one of the first signs of rapprochement between the Taliban and their opponents.
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