U.S. puts new sanctions on Iran over ballistic missile program

By Mohammad Zargham and Steve HollandWASHINGTON (Reuters) - The United States slapped new economic sanctions against Iran on Tuesday over its ballistic missile program and said Tehran's "malign activities" in the Middle East undercut any "positive contributions" coming from the 2015 Iran nuclear accord.The measures signaled that the administration of President Donald Trump was seeking to put more pressure on Iran while keeping in place an agreement between Tehran and six world powers to curb its