Pedzisa mutsara unotevera: Muna June 2017, Khalifa akanga ari mutauriri wokutanga muIftar yemasangano echitendero muLondon Central Mosque kugamuchira vamiririri vanopfuura 130 kubva kumarudzi gumi nemaviri uye mapoka echitendero, Metropolitan Police, nhengo dzeparamende nevatungamiriri vemunharaunda. Vakamira vakabatana, vachiyeuka zviitiko zvenguva pfupi yapfuura, kubatanidza izvo zviri paManchester Arena,
London Bridge, Finsbury Park Mosque neGrenfell Tower. Vakayeukwa uye akasimbisa kukosha kwekuti zvitendero zvose zvishande pamwe chete kuitira kudzivirira vanhu vasina mhaka kuti vasafurirwe kuita chisimba nokuvenga.