Whitehall sources have revealed that UK intelligence officers have identified 23,000 jihadist extremists living in Britain as possible terrorists, with the Manchester Arena suicide bomber revealed as being known to police. Greater Manchester police reported a flood in hate crimes following the Manchester Arena bombing.
The two terrorists who have attacked in Britain this year – Salman Abedi, the Manchester bomber, and Khalid Masood, the Westminster killer were listed as “former subjects of interest”
About 3000 people from the total group are judged to pose a threat and are under investigation or active monitoring in over 500 operations being run by police and intelligence services. The 20,000 others have featured in previous inquiries and are categorised as posing a “residual risk”.