Iran has revealed a previously undisclosed underground bunker housing its latest ballistic missile.
Iran's President Hassan Rohani has said that Saudi Arabia cannot hide "its crime" in executing a prominent Shi'ite cleric by severing ties with Tehran.
Saudi Arabia has dismissed concerns that its severance of ties with Iran will harm efforts to negotiate peace in Syria even as its actions have opened up a new sectarian rift among opposing sides in the war.
Saudi Arabia has cut diplomatic relations with its regional rival, Iran, after attacks on the Saudi Embassy and consulate in Tehran over the execution of a prominent Shi'ite cleric by Riyadh.
The White House has said it needs to do more diplomatic and technical work before it will announce any sanctions in response to ballistic missile launches by Iran.
Saudi Arabia has said it's cutting diplomatic ties with Iran, in the latest fallout to erupt after Riyadh’s execution of an opposition Shi'ite cleric prompted outraged protesters to storm the Saudi Embassy in Tehran.
Iran has accused regional rival Saudi Arabia of supporting terrorism after the kingdom said it executed a top Shi'ite cleric on terrorism charges on January 2.
Iranian officials are vowing to increase Iran's missile capabilities amid reports from Washington of new sanctions against Tehran for its testing of a ballistic missile in October.
The White House is delaying imposing new sanctions on Iran over its ballistic missile program, the Wall Street Journal reported December 31.
Iran has denied that its Revolutionary Guards launched rockets near a U.S. aircraft-carrier and other warships as they were entering the Persian Gulf on December 26.
Two U.S. House committees are investigating a report by the Wall Street Journal that the United States has continued to spy on the Israeli prime minister because of his opposition to the Iran nuclear deal.
The Obama administration is preparing new U.S. sanctions on corporations and individuals connected with Iran's ballistic missile program, news media reported December 30.