Community leaders sounded the alarm about Zahran Hashim after seminary expelled him for 'hardline' views; Hashim had dozens of hate-filled sermons uploaded to YouTube

It's thought nearly half of the roughly 250 people killed in the Easter bombings died at the Negombo church

Brother, mother of Amelie, 15, and Daniel Linsey, 19, who died in Easter bombings, say they’ll start a foundation to support the Colombo hospital where the teens’ bodies were taken

Three cornered suicide bombers set off explosives in safe house during firefight with security forces near the eastern town of Kalmunai

Security forces find explosives, 'suicide kits,' Islamic State flags in desperate search for suspects; authorities call on both Christians and Muslims to stay home for prayers

Military engages in gunbattle with suspects believed linked to attacks; police announce a 24-hour curfew in country's Muslim-dominated area

Officials say Mohamed Zahran, the leader of local militant group known for vitriolic extremist speeches on social media, was killed in one of nine deadly attacks

Capital Colombo on edge as authorities pursue at least five suspects that could have access to explosives

Some badly mutilated bodies had been counted twice, authorities say; security forces desperately hunt for suspects as alert level remains high

Suspects could have access to explosives and aim to carry out more suicide bombings, Ranil Wickremesinghe says