Dr Julian Lewis: When a secular psychopath threatens to run amok and kill indiscriminately, we treat him as criminally insane and detain him indefinitely in a high-security psychiatric unit. Why do we not do the same for a religious psychopath who threatens to do exactly the same thing?

[The Secretary of State for the Home Department (Priti Patel): My right hon. Friend raises very important issues. The Government will address them in tomorrow’s emergency legislation and the forthcoming counter- ​terrorism Bill, which will consider appropriate sentences for people who seek to do a great deal of harm to our country.]