Iran will resume high level enrichment of uranium if world powers did not keep their promises under a 2015 nuclear agreement, President Hassan Rouhani said on Wednesday, responding to the US withdrawal from the deal a year ago.

Iranian President Hassan Rouhani said on Saturday Iran should boost non-oil exports and continue oil sales to counter US sanctions, saying Washington was targeting Tehran's hard currency reserves, state television reported

Iran and Pakistan will form a joint quick reaction force to combat militant activity on their shared border, Iran's President Hassan Rouhani said on Monday during a televised press conference with Pakistan's Prime Minister Imran Khan.

Iranian President Hassan Rouhani on Tuesday defended the elite Islamic Revolutionary Guard Corps as protectors of Iran a day after the United States labeled the group as a foreign terrorist organisation.

Iran's supreme leader Ayatollah Ali Khamenei has called on Iraq to demand US troops leave "as soon as possible", warning that Washington is plotting to remove the Iraqi government.

Iran's President Hassan Rouhani arrived in Iraq on Monday for his first official visit, state television said, as Baghdad is under pressure from Washington to limit ties with its neighbour.

Iranian President Hassan Rouhani rejected on Wednesday the resignation of Foreign Minister Mohammad Javad Zarif, standing by a moderate ally long targeted by hardliners in internal factional struggles over a 2015 nuclear deal with the West.

Iran's President Hassan Rouhani on Tuesday presented a $47 billion state budget with increased spending on lower income groups, saying US sanctions would affect people's lives and economic growth but not bring the government to its knees.

Iran's President Hassan Rouhani struck a defiant stance against US sanctions on Tuesday, renewing his threat to cut off international oil sales from the Gulf.

Iran will continue to export oil despite US sanctions, which are part of a psychological war doomed to failure, Iranian President Hassan Rouhani said on Monday.

Iran and Iraq could raise their annual bilateral trade to $20 billion from the current level of $12 billion, President Hassan Rouhani said on Saturday, amid concerns in Tehran over the economic impact of renewed US sanctions.

Iran's President Hassan Rouhani said the Islamic republic "will proudly bypass sanctions" by the United States that took effect on Monday targeting the country's oil and financial sectors.