1 Who indoctrinated four British Muslims in the extremist ideology that turned them into suicide bombers and are there others willing to “martyr” themselves?

2 Who is the British-born suspect believed to have masterminded the attack, selecting the targets and choosing the men who would give their lives?

3 What were Hasib Hussain’s movements between his arrival at King’s Cross and his decision to detonate his bomb on a No 30 bus - almost an hour after the other bombers died?

4 Why were high explosives of the same type used in the bombs left in a hire car at Luton railway station?

5 Where did the terrorists get the military high-explosive used in the attacks and who had the capability to assemble the bombs?

6 Who provided the finance needed to buy the explosives, hire cars and arrange travel for the bombers and the reconnaissance teams?

7 Why did the authorities intially claim that the Tube network had been shut down by a power surge?

8 Why were the police and Transport for London insistent about their initial timings of the explosions and directions the trains were travelling in when survivors’ accounts contradicted their claims?

9 Why were identity documents relating to one man, believed to be a bomber, left at the scenes of the Edgware Road and Aldgate explosions?

10 Why was the attack on July 7: was it G8, the Olympics, or because it was a year after bin Laden’s truce offer to Europe had lapsed?

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