Foreign minister says that after approaching elections, which will see Rouhani leave office, Tehran will have a regime that will 'not be able to do anything serious'

US national security adviser says Washington has launched talks through intermediaries, is awaiting a response from Tehran

White House spokesperson releases few details of discussion led by national security advisers Ben-Shabbat and Sullivan

American and European diplomats say both countries may agree on steps toward returning to the JCPOA

Presidents of Germany, France, and Austria invite Israeli counterpart for meetings about Tehran's nuclear program, ICC war crimes probe

Sessions will be led by national security advisers Ben-Shabbat and Sullivan; sides will seek to limit disagreements and keep discord behind closed doors

Citing Iran's 'dangerous behavior,' letter to Blinken says any nuclear agreement must also include Tehran's ballistic missile program and funding of terror

UN nuclear watchdog tells member states Islamic Republic has started using a third cluster of advanced IR-2m centrifuges at underground Natanz plant

Diplomat to meet Iranian officials as part of UN Security Council role; foreign minister Zarif says Tehran will soon present a 'constructive' plan of action

State Department spokesman says United States 'pleased' with EU move and ready for dialogue; Tehran: Latest developments 'keep open the path of diplomacy'