Three teenage boys were arrested Wednesday for a deadly house fire last August that killed five members of a Senegalese family, two of them children, the Denver Post reports. Djibril Diol, 29; his wife Adja Diol, 23; their 2-year-old daughter Kadidia; Djibril’s sister Hassan Diol, 25; and her infant daughter Hawa Baye all died in …