Mohammad Sidique Khan, 30, Shehzad Tanweer, 22, and Hasib Hussain, 18, drove in a rented light blue Nissan Micra to Luton, north of London.

Once there, they met another accomplice, Jermaine Lindsay, aged 19. Lindsay had driven to Luton in a red Fiat Brava and parked next to his fellow suicide bombers.

CCTV showed the four men appear to move items between the two boots before putting on rucksacks.