KILLER IN THE PUFFER

Terrorist strolls streets in casual black jacket unnoticed as he merges into crowd just before unleashing concert carnage

MASSACRE OF INNOCENTS: TWO

planned the attack over a year after receiving training from IS warlords in either Libya or Syria.

He is said to have opened a bank account 12 months ago to fund DIY trips while he built up his bomb-making kit, purchased from B&Q and Screwfix.

Abedi first constructed the detonator, a small switchboard, in a workshop at his family home in Fallowfield, Gtr Manchester. He then mixed and primed the device hours in the kitchen and bathroom of the rented flat.

It is believed he combined hydrogen peroxide with another chemical to make a white powder known as Mother of Satan and used a 12-volt battery to power the detonator.

The two high-ranking officers said police knew Abedi’s identity within two hours of the blast. Their statement said: “With this information officers could begin to establish his movements to try and understand if anyone else was linked or any more attacks planned.”

Gun cops from across the country were deployed to support Greater Manchester Police colleagues.

By early Tuesday morning officers and police staff were working on the

Hashem after arresting them in the Libyan capital Tripoli.

Special Deterrence Force spokesman Ahmed Bin Salem is reported to have said: “Salman’s mother and sister came in for questioning. They did not appear to know anything about the attack in Manchester.”

Samia and Romana, 18, have been told they have to remain in Libya under the “control and observation” of authorities.

Five days before the attack Salman is said to have asked his mother for his