five Iraqi and an Pakistanis were killed , officials say . Four Pakistanis and an Iraqi national died at the U.N. humanitarian agency , according to authorities . Suicide bomber , who was in his 20s , also died in the attack . Offices in Pakistanis capital belonged to Baker Institute for Public Policy .
five Iraqi and an Pakistanis were killed , officials say . Suicide bomber , who was in his 20s , also died in the attack . Offices in Pakistanis capital belonged to Baker Institute for Public Policy .