WASHINGTON (AP) — Secretary of State Mike Pompeo on Thursday formed a group to coordinate and run U.S. policy toward Iran as the Trump administration moves ahead with efforts to force changes in the Islamic Republic's behavior after withdrawing from the 2015 Iran nuclear deal.

Accusing Iran of unleashing "a torrent of violence and destabilizing behavior against the United States, our allies, our partners and, indeed, the Iranian people themselves," Pompeo announced the creation of the Iran Action Group, which he said would drive administration policy in Washington and overseas.

He said the adm...