Nyorai kuenderera mberi kweiyi ndima - Muna Chikumi 2017, Khalifa aive mutauri wekuvhura muIftar yemasangano muLondon Central Mosque achigamuchira vamiriri vanopfuura zana nemakumi matatu kubva kuzvitendero gumi nezviviri nemapoka ezvitendero, Mapurisa eMetropolitan, nhengo dzeparamende nevatungamiriri vemunharaunda. Vakamira vakabatana, vachiyeuka zviitiko zvenguva pfupi yapfuura, kubatanidza izvo zviri paManchester Arena, London Bridge
, Mosque yeFinsbury Park neGrenfell Tower. Vakayeukwa uye akasimbisa kukosha kwekuti zvitendero zvose zvishande pamwe chete kuitira kudzivirira vanhu vasina mhaka kuti vasafurirwe kuita chisimba nokuvenga.