As rumours swell that the government staged 7/7, victims' relatives call for a proper inquiry

Blast damage outside the Tavistock
Today almost four years on, the images of that dreadful morning are etched into our minds: the woman in the haunting white burns mask being helped to safety; the shell-shocked businessman in a suit with his hair and shirt matted with blood; the crippled No 30 bus with its roof blown off; the mangled wreckage of smouldering Tube trains.