US Secretary of State Rex Tillerson said on Tuesday he had informed Congress of plans to review whether the lifting of sanctions against Iran under the nuclear deal was in the United States' national security interests.
"President Donald J Trump has directed a National Security Council-led interagency review of the Joint Comprehensive Plan of Action that will evaluate whether suspension of sanctions related to Iran pursuant to the JCPOA is vital to the national security interests of the United States," Tillerson said in a statement.
The statement comes just days after Iranian president Hassan Rouhani said on Saturday, in what appeared to be a defiant response to US efforts to hamper the Iranian military, that Iran will ask "no one's permission" to build up its missile capability.
Facing an election in May where he hopes to secure a second four-year term, Rouhani has had to defend himself from opponents who say he has been too eager to appease the West, after agreeing to curb Iran's nuclear programme in exchange for the lifting of sanctions.
Trump has criticised the nuclear deal and said during his election campaign he would stop Iran's missile programme. After Iran test-fired a new ballistic missile in January, Trump tweeted that it was "playing with fire".
Addressing an event showcasing some locally built military hardware, broadcast on state TV, Rouhani said: "The strengthening of the capability of the Iranian armed forces... is only for defending the country and we will ask no one's permission to build up the armed forces, and to build missiles and aircraft."
He said Iran has never had "aggressive aims, but peace is not a one-way road and if we decide to be peaceful the other party ... may not. So there is a need for vigilance."
A bill to impose new sanctions on Iran over ballistic missile launches and other non-nuclear activities has been delayed in the US Senate due to concerns about the presidential election. Iran says its missile tests are not covered by the nuclear deal.
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Updated Date: Apr 19, 2017 09:15:29 IST