Bomb guides on dark web

DETAILED instructions on how to make the bomb used in the London tube attack can be found on the dark web.

Chilling forums feature step-bystep guides for the device, described as an explosive “for beginners”.

The substance used to create the bomb, called TATP, has been dubbed “Mother of Satan” and was used in the 7/7, Manchester Arena and Brussels bombings. It can be made with household items like nail polish remover and hair dye.

The recipe boasts ingredients are “not hard to find” and suggests buying some from hardware stores.

One recipe billed as a “beginner’s manual” has an introduction and outline of materials, plus instructions on how to mix them.

It describes leaving items to rest in the fridge and using a T-shirt to filter the recipe, adding: “It’s a

patrick.hill@trinitymirror.com common, sensitive explosive for beginners, as it’s easy to make, does not require any chemistry skills, nor hard to find chemicals.

“It has some obvious advantages, some obvious problems, but as it’s often made by beginners, it may be useful to compile most common information and research about it, made by members of the forum.”

The Sunday Mirror will not disclose the remaining ingredients, to prevent copycats.