Agencies alerted country to threat several times, starting on April 4; political dysfunction blamed for keeping PM, ministers in dark

No injuries reported when van parked outside St. Anthony's explodes; president gives army wartime powers for manhunt

National Thowheeth Jama'ath was previously known for smashing Buddhist statues; presidency says international terror groups supported local branch

All seven suicide bombers identified as citizens and members of National Thowfeek Jamaath, which has suspected foreign links; death toll rises to 290

Forensic crime analyst says seven people carried out attacks on hotels and churches; two later bombings still under investigation

PM Wickremesinghe massacre could trigger instability in his country, vows to 'vest all necessary powers with the defense forces'

Still no claim of responsibility for series of attacks on churches and high-end hotels in the island nation; police lift curfew, 24 people arrested

Police say 13 detained, safe house and van used by suspects found hours after blasts leave over 200 dead and at least 450 wounded

Unclear if Colombo accepts aid as Netanyahu's national security adviser speaks to Sri Lankan president's secretary following string of deadly attacks at churches and hotels

Eyewitness describes suicide attack in a hotel restaurant in the capital Colombo, which triggered 'utter chaos'