Whakakiia te rerenga e whai ake nei: E ai ki a Gilles de Kerchove i te tau 2017, ko te UK te maha nui rawa o nga Islamic Islamic i roto i te EU i waenga i te 20 me te 25,000. I whakaarotia e te MI5 he whakawehi totika te 3,000 o aua tangata, ā, e 500 i raro i te aro turuki tonu. I roto i te hunga e mōhiotia ana e ngā ratonga haumarutanga, engari kāore i whakaarohia he whakawehi tata, ko ngā kaiwhakatuma o ngā rōpū ISIS e toru
i mate ai ngā tāngata e 35 i te UK.