"The US's repeated violations of its commitments and the new sanctions it imposed on Iran have left a negative impact on Iran's public opinion, and can hamper implementation of the nuclear deal," Rouhani was quoted as saying by Tasnim news agency in advance of the ceremony.The deal he championed with the United States and five other major powers in 2015 led to the lifting of most sanctions against Iran in return for curbs on its nuclear programme.Rouhani has intensified efforts to protect the deal - the biggest achievement of his first term - against Washington's return to an aggressive Iran policy since U.S. President Donald Trump took office.The U.S. Senate voted in late July to impose new sanctions on Iran, Russia and North Korea . The sanctions target Iran's missiles programme, as well as human rights issues.Iran has said the new U.S. sanctions break the terms of the nuclear deal and has vowed a "proportional" reaction.In a meeting with European foreign policy chief Federica Mogherini in Tehran, Rouhani said the presence of senior European dignitaries at his swearing-in ceremony showed that Europe was determined to expand ties with Tehran despite U.S. pressures.Tasnim also quoted Iranian Foreign Minister Mohammad Javad Zarif as saying in his meeting with Mogherini: "Mr Trump is trying to destroy the nuclear accord at Iran's expense, and Europe should be conscious of this.
Iranian President Hassan Rouhani takes the oath of office to start his second four-year term.