"Any act of aggression will have severe consequences, for which the U.S. will bear full responsibility," Iranian Permanent Representative to the United Nations Amir Saeid Iravani wrote in a letter to U.

President Trump said Monday he would hold Iran responsible for any future attacks by the Houthis in Yemen, threatening unspecified consequences against the Islamic Republic after he ordered large-scale strikes in recent days against the militants.

U.S. President Donald Trump has explicitly linked the actions of Yemen’s Houthi rebels to the group’s main benefactor, Iran.