A delegation of the Party Central Committee, the National Assembly (NA), the State President, the Government, and the Vietnam Fatherland Front (VFF) Central Committee laid wreaths at the monument to war heroes and martyrs on Bac Son street and paid tribute to President Ho Chi Minh at his mausoleum in Hanoi on July 27 on the occasion of the 77th anniversary of the War Invalids and Martyrs Day (July 27, 1947 - 2024).