Donald Trump has deployed the US navy to the southern border amid a rise in small boat crossings by illegal migrants.

The United States and Iran-backed Houthi rebels in Yemen are both vowing escalation after the U.S. launched airstrikes to deter the rebels from attacking military and commercial vessels on one of

President Donald Trump vowed Monday to hold Iran responsible after fighting between the United States and Houthi militants escalated following U.S. airstrikes over the weekend.

U.S. airstrikes targeted Houthi military assets, with officials claiming dozens of casualties. President Donald Trump warned Iran would be held responsible for any retaliation.

This post has been updated with additional details on the attempted Houthi attack on the Truman carrier strike group and statements from the Houthis. The Houthis attempted an attack on aircraft carrier USS Harry S.

U.S. Central Command continued strikes against the group Sunday and Monday, launching a campaign that may last weeks, officials said.