Tanveer Mann writes:
There could be as many as 3,000 Islamist extremists in the UK, Counter-terrorism agencies have said.
Most of them are believed to be British and are a part of 500 active investigations being led by MI5 at the moment.
The figures come as it was revealed that a total of 18 plots have been foiled since 2013, including five since the Westminster attack in March this year.
In the wake of the Manchester bombing, authorities are now facing questions about whether any of the warning signs were missed.
The attacker, Salman Abedi, was said to be known to the security services ‘up to a point’.
There are ‘up to 3,000 terrorists’ on UK streets at the moment