Isil releases video of Sri Lanka suicide bombers swearing allegiance amid growing evidence of security blunders

Islamic State has released video of the Sri Lankan Easter Sunday suicide bombers swearing allegiance to militant group’s leader Abu Bakr al-Baghdadi.

Bombers had struck churches and hotels with foreign guests from “crusader” countries fighting against the militants, a statement said, and referred to Easter as an “infidel” holiday.

The video and a photograph showed Zaharan Hashmi, the extremist preacher who led the obscure Sri Lankan group accused of carrying out the simultaneous blasts at six targets.

The Islamic State claim on its Aamaq news agency backed Sri Lankan government assertions the attackers had international terrorist help and came as more details of security blunders prior to the…