On this day in 1975, four national leaders and Liberation War heroes--Syed Nazrul Islam, Tajuddin Ahmed, Captain M Mansur Ali and AHM Kamruzzaman--were gunned down inside the central jail.

To mark the day, Awami League (AL) and its front organisations, including Juba League, Swechhasebak League, Awami Mohila League, Krishak League and Chhatra League, held various programmes.

National and party flags were hoisted at half-mast while black flags atop all party offices across the country.

Awami League leaders and activists wore black badges and placed wreathes at the portrait of Bangabandhu Sheikh Mujibur Rahman at 6:30am.

At 7:00am, the AL leaders and activists placed wreaths on the graves of the national leaders at Banani Graveyard and offered special prayer, seeking eternal peace of the departed souls.