the radical armed group boka haram have claimed to established a caliphate, taking a local government headquarters in matagali town. nigerian authorities confirm 35 policemen are missing after the group attacked a police training facility in borno state. mario raggi is, what is the significance of this video that's been released by boko m haram? >> the 15 minute video, the leader group, leader of the group purportedly saying that a town that was seized earlier this month, quote, has no longer anything to do with the rest of nigeria and that the group is there to stay. now, we have heard the group previously say one of its stated goals is to establish a so-called caliphate. we have seen them recently express admiration of the other so-called islamic caliphate, islamic state group in iraq and syria and its leader baghdadi. it's important to take these remarks with a grain of salt. >> that's because boka haram is a propaganda saavy group the i would say this receipt claim is an attempt to perhaps capitalized on the renewed notoriety of the so-called islamic state group in iraq and syria. one note here, the situation in nigeria