this. good evening. >> reporter: trace we are learning the latest strikes are in no association with and are separate from last night's large scale operation involving more than 20 countries. a u.s. official confirms to fox news this is follow action on specific military targets designed to degrade the houthi's ability to continue attacking ships in the red sea. all of this underscores this intensifying situation in the red sea. after thursday's large-scale strike on houthi targets in yemen, the u.s. warned american flagged ships to stay away from areas in yemen in both the red sea and the gulf of aidan. the warning came as the iranian backed houthis promised a strong response to the recent strikes. president biden today addressing how the u.s. could respond if this latest escalation continues. >> we will make sure that we respond to the houthis if they continue this outrageous behavior, along with our allies.