Washington ( CNN ) -- U.S. official said it pointed to Iran for possible retaliation , if strike ordered . Wall Street Journal said the United States intercepted an email from Iran to militants . The State Department had no comment , but said it had not taken any measures in Baghdad .
U.S. official said it pointed to Iran for possible retaliation , if strike ordered . Wall Street Journal said the United States intercepted an email from Iran to militants . The State Department had no comment , but said it had not taken any measures in Baghdad .