A day after Sri Lankan authorities released CCTV footage of suspected suicide bomber behind the St Sebastian's church blast, a local channel aired surveillance footage purportedly showing two suspected suicide bombers walking through the Shangri-La hotel in Colombo as they denoted the bombs.

CCTV footage shows suspected suicide bombers behind Shangri-La hotel blasts

Muslim brothers from a wealthy Sri Lankan family plotted and carried out two of the Easter suicide blasts in Colombo that killed more than 320 people, police sources told AFP Tuesday amid growing questions on whether the attackers received foreign help.

Fourth planned Sri Lanka hotel attack failed: Sources

The multiple bomb attacks carried out in Sri Lanka on Sunday was the hallmark of National Thowheeth Jamath(NTJ), cabinet minister Rajitha Senaratne said on Monday.

National Thowheeth Jamath(NTJ): Police probe Sri Lanka local terror group's international link

One woman from Kerala, who was on a vacation in Sri Lanka, was among the people killed in the neighbouring island nation in a series of blasts on Sunday. According to a report, Razeena was holidaying in Sri Lanka along with her husband.

Woman from Kerala's Kasaragod killed in Sri Lanka blasts