The Security Guard on duty on the night of 12 May had heard some sound of something falling within the Sri Lanka Medical Council (SLMC) premises at about 11.45 pm.
Next day on 13th around 6.45 am He had seen a hand grenade lying on the ground opposite the gate of the SLMC. Immediately he had informed the Police Emergency services on 119.
The Maradana Police in response acted quickly and ensured the area was secured before calling in the Special Task Force (STF).
The STF came later and removed the grenade from the premises and deactivated it at a cemetery in Grandpass.
The Colombo Crimes Division (CCD) has commenced an investigation into the discovery of a hand grenade at the premises of the SLMC located at Norris Canal Road in Maradana.