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