epa04609040 A handout picture made available by the Iranian supreme leader official website shows Iranian army air force officers saluting Iranian supreme leader Ayatollah Ali Khamenei during a ceremony in Tehran, Iran, 08 February 2015. Media reports on 08 February state Khamenei revealed he would back a nuclear agreement currently being negotiated between Iran and world powers. Khamenei said the agreement must result in lifting sanctions imposed on Iran. EPA/SUPREME LEADER OFFICIAL WEBSITE/HANDOUT HANDOUT EDITORIAL USE ONLY/NO SALES