A CCTV footage going viral on social media showing that how suspect entered in St Sebastian’s Church in Negombo moments before an explosion ripped through the building.

The Archbishop of Colombo, Cardinal Malcolm Ranjith, said at least 110 people were killed at St Sebastian’s, the deadliest of a series of attacks against churches and luxury hotels that left at least 310 people dead.

The footage, broadcast widely on Sri Lankan news channels, tracks the movements of a young bearded man with a backpack, outside the building.