said to be a 'sophisticated' operation, unlikely carried out by amateurs
https://www.bloomberg.com/news/articles/2019-04-21/easter-carnage-threatens-to-unleash-more-violence-in-sri-lanka
Whatever responsibility claim by 'ISIS /al qaeda' could be phoney. Christchurch bombing has nothing to do with sri lanka. Lets say a certain self-proclaimed 'islamic' agent approached some hot heads in sri lanka, gave them money and planted the explosive and pressed the master switch and BOOM !! It would be more convincing if they blew up a US fundamentalist pro-zionist church
Present lankan gov is said to be 'pro-china'
https://www.hindustantimes.com/india-news/india-opens-urgent-diplomatic-and-political-contacts-with-new-pro-china-sri-lankan-pm/story-enOTZie5Gs88pHsA97khZM.html