They are now part of the World Federation of KSI Muslim Communities after 1500 Shi'a twelver families emigrated from East Africa to the United Kingdom and Canada .
The World Federation of KSI Muslim Communities is an international umbrella organization that was formed in the 1976 .
They are now part of the World Federation of KSI Muslim Communities , an international umbrella organization that was formed in the 1976 , after 1500 Shi'a twelver families emigrated from East Africa to the United Kingdom and Canada .