karim algo hari karim is the background to this attack any clearer this morning. not really i mean we have a claim of responsibility circling the internet. related. claims responsibility but it's not clear if if this came out of course we have competing militant groups. connected to isis and other groups connected to al qaida operating in china so it looks completely clear who is responsible and karim tell us a little bit more about the sinai region an unsettled region islamic state has been active for years what is egypt's strategy in the region. that's exactly the very potent point that this is an area where we have a small scale war between security forces the military the army on one side and. the other side and this war is going on actually goes back to the times of hosni mubarak what happens is that the security is increasing if you. yesterday for example the military the air force both. northern china as an answer to the attack yesterday but. before so one of the big questions right now is what can be done which is not already done in order to fight the terrorists in northern china so there are really no recipes there is a discussion right now to evacuate northern china but that would increase the problem because you would report the problem to other parts of the other part of. the nile valley so there is no real what this will do more than it already and karim just briefly