At the Muslim Brotherhood's London "headquarters," located in an unlikely spot above a disused kebab shop in the northwestern district of Cricklewood, there does not appear to be any signs of tensions despite the investigation conducted by British security figures into the group's activities in the UK. In fact, the atmosphere is more school staff room than extremist cell.

The controversial Islamist movement is banned in Egypt, Saudi Arabia and the UAE, which all label it a 'terrorist' organization, and is subject to an ongoing investigation by UK security services into its alleged connections to violence.

Results of the joint MI5 and MI6 enquiry instigated by Prime Minister David Cameron are expected in mid-July.

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