Sri Lanka caught off-guard by attacks despite its violent recent past

Much bitterness and grievance remain in country where war is unfinished business for someLive updates: Sri Lanka church and hotel explosionsFull report: Sri Lanka imposes immediate curfew after attacksCoordinated bomb attacks on worshippers attending Easter church services and multiple other targets across Sri Lanka were the work of terrorists or religious extremists, a government minister has suggested.But after the murderous wave of indiscriminate violence shocked and paralysed the country on