Preachers of separatism at work inside mosques

[HT:BD]
In a large balcony above the beautiful main hall at Regent's Park Mosque in London - widely considered the most important mosque in Britain - I am filming undercover as the woman preacher gives her talk.What should be done to a Muslim who converts to another faith?

"We kill him," she says, "kill him, kill, kill…You have to kill him, you understand?"

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