Iran says tests new missile, after U.S. criticizes arms program

Iran said on Saturday it had successfully tested a new ballistic missile with a range of 2,000 km (1,200 miles) and would keep developing its arsenal, despite U.S. pressure to stop.The United States has imposed unilateral sanctions on Iran, saying its missile tests violate a U.N. resolution, which calls on Tehran not to undertake activities related to missiles capable of delivering nuclear weapons.Iran says it has no such plans.