The earlier & faster the witless Xian white population wakes up, what you indicate can happen within a reasonable time period. These folks are so naive that it is mind boggling.
When the area around Canary wharf is taken over by this community for prayers, the local witless populace ask - what's wrong, they are just praying. Little do these witless know that this is how the creeping acquisition of culture, control, geography, law & local population ALWAYS begins. 
IMV there church needs to focus on its own areas rather than trying to find someone in some corner of the globe to convert. Sharia law & an Islamic kingdom are real & present dangers that United Kingdom today faces. @NAN_DINI_