Iran vows to 'decisively respond' to any US attacks: 'No threat will be left unanswered'

Iran vows to 'decisively respond' to any US attacks: 'No threat will be left unanswered' President Biden hinted at response to attack that killed three U.S. service members. Iran vows 'decisive action' in response to any attacks on US military personnel.

US secretly warned Iran that ISIS was planning a potential terror attack inside Iran’s borders. ISIS carried out a deadly attack near the burial site of slain military commander Qasem Soleimani on January 3, according to a US official. The group carried out the deadly attack on the site of the slain military leader.

President Biden's administration says it warned Iran of impending terrorist attack. ISIS blast killed 94 people and wounded 284 more in Iran on Jan. 3, killing 284 more. US official: Obama administration warned Iran just before ISIS attack. Obama administration: 'We are prepared to work with the United States and the world'