Three students at universities in the United States including a U.S. citizen and an Indian citizen were among those killed in a militant attack in Bangladesh university officials, the Indian government and a source said on Saturday Islamic State claims to be responsible for one of the most brazen attacks in the South Asian nation's history Emory University in Atlanta, Georgia said two of its students were killed in the attack and an Indian government official said an Indian citizen who was a student at the University of California at Berkeley was among the dead