MOSCOW- Ali Larijani, the speaker of the Iranian parliament, said on Monday that Tehran had a specific plan of action if the United States withdrew from the nuclear pact and that Washington would regret any such decision, the Interfax news agency reported.

Larijani made the statement in St Petersburg where he was taking part in a parliamentary forum.

(Reporting by Denis Pinchuk; Writing by Maria Tsvetkova; Editing by Andrew Osborn) ((maria.tsvetkova@thomsonreuters.com; +7 495 775 1242;))