heart of the christian faith. she gives christianity a symbol without which christianity would not be the religion that it is. kenyan police make several arrests in connection with the horrifying attack on a university there. we'll go live to nairobi in a moment. president obama faces an uphill battle in getting u.s. congress to approve the recent nuclear deal with iran. and pulling in movie-goers fondly remembering actor paul walker. welcome to our viewers in the u.s. and around the world. i'm natalie allen. this is "cnn newsroom." five people have been arrested in connection with that deadly attack at garissa university college in kenya. sources say one of the men was found hiding under a bed.