A number of terrorists attacks have occurred in Sri Lanka , specially during the periods of civil war ( 1983 – 2009 ) and the JVP insurrections ( 1971 and 1987 – 1989 ) . According to independent sources Sri Lanka was subjected to some of the worst terrorist attacks that have occurred worldwide with 100 or more fatalities over the last 100 years . The deadliest terrorist attacks with over 100 deaths that have happened in Sri Lanka , includes Sri Maha Bodhi attack , Aluth Oya massacre , Colombo Central Bus Station bombing , Kattankudy mosque massacre , Palliyagodella massacre and Digampathana bombing . The Colombo Central Bank bombing had the highest number of civilian casualties and the greatest amount of explosive force ( over 400 kg ) deployed against a civilian target , over the various LTTE attacks that occurred during the civil war . The attack killed over 90 people and injured 1,400 others . The perpetrators of all these deadliest terrorist attacks in Sri Lanka was LTTE . In addition to the deadly bomb attacks , the LTTE attacked the Sinhalese and Muslim villages and was also involved in massacres of civilians as a part of their campaign to control territory
Palliyagodella massacre
Palliyagodella massacre
Terrorism in Sri Lanka