According to a source at MI5 — the British equivalent of the CIA — 1,500 white Britons are believed to have converted to Islam with the purpose of funding, planning, and carrying out surprise terror attacks, the newspaper reported.

Security experts say the growing number of white terrorists poses a serious threat because they are less likely to be detected than members of the Asian community.

Terror groups like Al Qaeda reportedly began recruiting white non-Muslims in response to the success intelligence services have had in disrupting and stopping extremist plots around the world. ...