US President Donald Trump has officially announced the reintroduction of economic sanctions against Iran, after they were lifted in 2015 when the nuclear agreement was signed. The measure has been called a "psychological war" against Iran, by President Hassan Rohani.
What are the sanctions about and who will hit? Also, how will these measures affect the balance of the Middle East area? The journalist and expert in US issues Giampiero Gramaglia answered these questions.
