Hanoi, July 14 -- A major blood donation campaign in Hanoi is calling on the community to give the gift of life, aiming to collect at least 4,000 units of blood between July 18 and 27. Organised by the National Institute of Haematology and Blood Transfusion (NIHBT), the "Grateful Drops 2025" programme carries the theme "One Heart - One Heroic Flame", aims to spread the spirit of compassion, social responsibility, and gratitude to the generations who sacrificed for the nation's independence as the War Invalids and Martyrs' Day is observed on July 27. The campaign will take place at multiple venues across the capital, including the NIHBT headquarters from 7:00 to 16:30 daily from July 18 to 27; AEON Mall Ha Dong on July 19; and AEON Mall Lo...