The new measures target Iran’s Supreme Leader Ali Khamenei and his military chiefs, denying them access to financial resources.
The US says the sanctions are a response to Iran’s recent “aggressive behaviour”, but Iranian leaders say Washington has closed the door on diplomacy.
What can break the cycle of escalating rhetoric between the two sides?
Presenter: Adrian Finighan
Mostafa Khoschcheshm – journalist and political commentator
Mahdi Ghodsi – economist at the Vienna Institute for International Economic Studies
Ali Vaez – director of Iran project at the International Crisis Group
Source: Al Jazeera News