s university of essex welcome to the program aziz. firstly let's look at the evidence show is that evidence or does any evidence point to isolate who a both claiming responsibility behind this attack. one of the or thank you very much for having me i think at this stage it's very early to tell what the evidence is out there what is clearly evident is that there is going to be a tremendous amount of finger pointing and a tremendous amount of blaming others and all of a sudden whoever's following this now is very much it's pretty much obvious that there is a rush in who's claiming responsibility and who's not claiming responsibility and and who's trying to point the finger i think for. to claim responsibility this is something they've always done with terrorist attacks that have nothing to do with them so i think they're they're out of the running very they're not really a serious. contender if you like we've seen over time and time again have only as these what you see in time and can have been me what i said taking responsibility you k