determined to fight a common enemy, isis. even if it means looking over their shoulder. >> but to iran they are a threat. they are going after primarily shia. they are attempting to kill as many shia as they can. it is the number one population on their target list. so to iran it's a much more important issue to get isis under control, even more so than the united states and europe. >> reporter: michael holmes cnn. the u.s. house has passed a bill avoiding the shutdown of the department of homeland security. >> that legislation will fund the agency through september. the homeland security secretary thanked congress for backing the bill. >> on behalf of the approximately 225,000 men and women of the department of homeland security we thank those in congress democrats and