AMMAN — The Royal Medical Services' Princess Iman Centre for Research and Laboratory Sciences on Wednesday celebrated the World Blood Donor Day, which annually falls on June 14. The recognition event for donors was attended by Director General of the Royal Medical Services, Brigadier Youssef Zureikat, the Jordan News Agency, Petra, reported. At the end of the ceremony, Zureikat honoured the donors of the blood banks of Princess Iman Centre and RMS hospitals.